Top 7 Rebreathers for Scuba Diving of 2022 • The Adventure Junkies (2022)

Updated on February 7, 2020

Rebreather diving has gained popularity over the last few years. As you can imagine, these high tech dive units are not cheap. As with any large investment, buying your first rebreather can be daunting. Before you make the big purchase, it’s crucial that you dive and test out a variety of different models. But where do you start? How do you know what’s the best rebreather for your style of diving?

Though rebreathers all perform the same task: removing additional CO2 from the breathing loop while adding the necessary amount of oxygen or nitrox – The way different models execute this task varies. Remember, a rebreather is a huge investment, and thus it’s important that you take the time to find the right machine for you and your type of diving.

One of our goals here at The Adventure Junkies is to make your life easier when it comes to gear shopping. In this guide, we’ll walk you through some things to consider before buying a rebreather and show you our selection of some of the best models out there.

For more of our top scuba gear recommendations, check out the Best Underwater Scooters.

QUICK ANSWER – THE BEST REBREATHERS

1. AP INSPIRATION EVP CCR

2. REVO III CCR

3. AP INSPIRATION EVO CCR

4. MEGALODON CCR

5. KISS REBREATHER

6. SENTINEL RED HEAD

VIEW AT VMS REBREATHERS

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7. JJ CCR REBREATHER

COMPARISON TABLE – THE BEST REBREATHERS

PICTURE
REBREATHER
BEST USE
PRICE
RATING
Top 7 Rebreathers for Scuba Diving of 2022 • The Adventure Junkies (1)
AP INSPIRATION EVP CCR
Technical
$$
4.5
Top 7 Rebreathers for Scuba Diving of 2022 • The Adventure Junkies (2)
REVO III CCR
Technical
$$
4.4
Top 7 Rebreathers for Scuba Diving of 2022 • The Adventure Junkies (3)
AP INSPIRATION EVO CCR
Technical
$$
4.5
Top 7 Rebreathers for Scuba Diving of 2022 • The Adventure Junkies (4)
MAGALODON CCR
Technical
$$$
5.0
Top 7 Rebreathers for Scuba Diving of 2022 • The Adventure Junkies (5)
JJ CCR
Technical
$$$
5.0
Top 7 Rebreathers for Scuba Diving of 2022 • The Adventure Junkies (6)
KISS EXPLORER MCCR
Technical
$
4.5
Top 7 Rebreathers for Scuba Diving of 2022 • The Adventure Junkies (7)
SENTINEL REDHEAD CCR
Technical
$$
4.0
PICTURE
REBREATHER
BEST USE
PRICE
RATING

REBREATHERS REVIEWS

AP INSPIRATION EVP CCR

BEST FOR: All dive profiles, a great all-rounder rebreather

SCRUBBER DURATION: 3 hours

COUNTER LUNG LOCATION: Over the shoulder

PROS: Small enough to be convenient for travel

CONS: Some people are not a fan of the big bulky yellow box design

REVO III CCR

Top 7 Rebreathers for Scuba Diving of 2022 • The Adventure Junkies (9)

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Revo Rebreathers

BEST FOR: Good all around unit – but particularly good for cave diving due to slim design

SCRUBBER DURATION: 3 hours

COUNTER LUNG LOCATION: Back mount

PROS: Unique scrubber system that is designed to cater for safety

CONS: Metal case and frame need extra attention and care to keep well maintained

AP INSPIRATION EVO CCR

Top 7 Rebreathers for Scuba Diving of 2022 • The Adventure Junkies (10)

Check out the latest price on:

(Video) Channel Update & Dive Instructor Q&A - October 2022

AP Diving

BEST FOR: Recreational diving and travel – better suited for smaller sized divers.

SCRUBBER DURATION: 2 hours

COUNTER LUNG LOCATION: Over the shoulder

PROS: Compact light and easy to fly with – the perfect travel unit

CONS: Not ideal for deep technical dives of long duration

MEGALODON CCR

Top 7 Rebreathers for Scuba Diving of 2022 • The Adventure Junkies (11)

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Innerspace Systems Corp

BEST FOR: Deep / long duration technical diving

SCRUBBER DURATION: 3 hours

COUNTER LUNG LOCATION: Over the shoulder

PROS: Very sturdy rugged and reliable CCR and comes with two independent handsets

CONS: Dives slightly butt heavy

JJ CCR

Top 7 Rebreathers for Scuba Diving of 2022 • The Adventure Junkies (12)

Check out the latest price on:

JJ CCR

BEST FOR: Technical diving

SCRUBBER DURATION: 3 hours

COUNTER LUNG LOCATION: Back mount

PROS: Very nice and clean setup

CONS: Quite large and heavy

KISS EXPLORER MCCR

Top 7 Rebreathers for Scuba Diving of 2022 • The Adventure Junkies (13)

Check out the latest price on:

Kiss Rebreathers

(Video) Scuba Diving SPECIALTIES - How did my drysuit course go?

BEST FOR: Vigilant divers who want full control over the unit for added safety

SCRUBBER DURATION: 2 hours

COUNTER LUNG LOCATION: Back mounted

PROS: Added safety of a manual CCR – but remember a vigilant rebreather diver = a safe rebreather diver

CONS: Limited scrubber life and counter lungs not so sturdy to access

SENTINEL REDHEAD

Top 7 Rebreathers for Scuba Diving of 2022 • The Adventure Junkies (14)

Check out the latest price on:

VMS Rebreathers

BEST FOR: Great deep ocean exploration unit

SCRUBBER DURATION: 3 hours

COUNTER LUNG LOCATION: Over the shoulder

PROS: Has a unique infrared CO2 detection system

CONS: Heavy and hard to travel unit

HOW TO CHOOSE THE BEST REBREATHERS

THE TYPE OF DIVING YOU DO

Rebreathers are ideal for divers who conduct long or deep technical dives using mixed gas. These machines are also ideal for underwater photographers and scientists who wish to stay shallow for long periods of time. There are many advantages of diving with a rebreather, but there are also many disadvantages.

ADVANTAGES OF A REBREATHER

Gas and deco efficiency (especially with expensive helium!)

Longer bottom and dive times

Silent

DISADVANTAGES OF A REBREATHER

Expense

Exceptional understanding of the machine and discipline is crucial

Complex

A rebreather should be viewed as a ‘mission specific item.’ Your field of diving should be able to exploit all the merits and benefits of this piece of technology. Considering the exceptional cost, maintenance, and life risk that the machine imposes, you’ll need to consider whether a rebreather is ideal for your type of diving.

If you are just learning to dive or can complete your dive goal and mission on a single tank of air, then maybe a rebreather is not the right piece of equipment for you. Typically, rebreathers are not the ideal choice for general recreational / sport diving.

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Rebreathers also come in different designs, and some designs are more suited for certain types of diving. For example, if you are doing lots of wreck penetration dives or tight cave dives then you’ll want a slim designed machine instead of a larger bulky one.

DO YOU UNDERSTAND REBREATHER DIVING?

Rebreathers are a complicated piece of technology. You need to have an in-depth knowledge of how this machine works. Rebreather diving also requires good understanding of diving physics and physiology.

Understanding how your machine works and how it affects your dive profile and body while diving is crucial. You’ll have to complete a four / five-day training course before you are legally able to purchase a machine. This course is only the first step, and you should be prepared for continual learning. There is always room for skill improvement and better understanding of the physics and physiology of rebreather diving.

YOUR COMMITMENT

Owning a rebreather is like being in a marriage. There is no way around it; a rebreather needs proper care and commitment. Failing to do so, you risk equipment malfunction which often leads to death.

Constant maintenance, pre-dive and post-dive checks and regular skill enhancing are all part of owning a rebreather. All these things will take up more of your time than diving with it underwater.

A perfectionist mindset is ideal. You’ll constantly need to check things over and over again. If you are the ‘lazy diver type’ who enjoys taking naps between dives and kitting up as late as possible, then rebreather diving is not for you.

TYPE OF REBREATHER

There are lots of different types and models of rebreathers available today. The most common is the closed circuit rebreather (CCR). You have the option of purchasing either an eCCR or an mCCR. The main difference between the two is the way oxygen is inserted into the breathing loop.

ECCR – ELECTRONIC CLOSED CIRCUIT REBREATHERS

Electronic Closed Circuit Rebreathers use a computer to constantly measure the amount of oxygen in your breathing loop and automatically maintain the PPO2 set point.

MCCR – MANUAL CLOSED CIRCUIT REBREATHERS

Manual Closed Circuit Rebreathers require the diver to constantly check the PPO2 level in the breathing loop and manually inject more oxygen when necessary to keep the oxygen content at the correct level. These machines are cheaper and simpler than eCCR’s but require a whole new level of diver diligence.

SEMI-CLOSED CIRCUIT REBREATHERS

Semi-Closed Circuit Rebreathers are also available. These machines lose gas with every exhalation. They also keep a constant percentage of oxygen, unlike fully closed units. This is not ideal for decompression dives and is better suited for recreational depths.

SCRUBBER AND COUNTER LUNG DESIGN

One of the main life-saving components of a rebreather is the scrubber canister. This canister is composed of a chemical that is responsible for extracting the extra CO2 in your breathing loop. Scrubbers come in different sizes and designs which all affect its duration.

AXIAL

A cylindrical shaped pipe where the gas can pass in a vertical direction.

RADIAL

In a radial-shaped scrubber, the gas passes in a radial direction from the middle of the canister towards the outer sides. The radial design is known to have a longer duration.

COUNTER LUNGS

The counter lungs on a rebreather are the bag like features on the breathing loop. These bags can either be over the shoulder or back mounted. With back mounted counter lungs, the chest area is clutter free. This location of the counter lungs makes exhalation easier but inhalation harder.

Over the shoulder mounted counter lungs are designed to be placed as close to your real lungs as possible. This position has a better work of breathing than back mounted counter lungs, but the chest is cluttered.

Counter lungs also come in a variety of sizes so you will need to figure out which size suits you best.

WHAT OTHER FEATURES WOULD YOU LIKE?

What kind of electronics do you want on your rebreather? What design do you prefer for you Bail-Out valve? Would you prefer a machine with a head-up display and audible alarms?

Scrubber and counter lung design and placement are only one of many design variations on a rebreather. There are a variety of other different features that you will need to look into and research upon when buying a rebreather.

READ MORE

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FAQs

How do I choose a rebreather? ›

How to pick your first rebreather
  1. Understand, there is no perfect rebreather. ...
  2. Learn rebreather basics first. ...
  3. Ask lots of people. ...
  4. Most of what you read on the internet is wrong. ...
  5. Do proper try dives. ...
  6. Learn about the manufacturer.
16 Dec 2019

Are rebreathers better than tanks? ›

The biggest advantage of a rebreather is gas efficiency. A single fill of a small gas cylinder or cylinders and CO2 scrubber can last for anywhere from one to six hours, depending on which rebreather it is.

Are underwater rebreathers real? ›

Rebreathers are considered to be advanced scuba gear, originally developed and typically used by the military, especially the U.S. Navy SEALs. Advanced and commercial divers may use rebreathers, although intensive training is strongly recommended. In addition, the devices are expensive, costing up to $15,000.

Do scuba divers use rebreathers? ›

Rebreathers are generally used for scuba applications, but are also occasionally used for bailout systems for surface-supplied diving.

How deep can you use a rebreather? ›

Those already qualified for decompression diving can immediately qualify for rebreather decompression dives. Individual training agencies limit depth to 130 to 148 feet (40 or 45 m) respectively.

What is the smallest rebreather? ›

The TRITON is the smallest and lightest rebreather on the market, as well as the easiest to breathe. The TRITON has extended beyond recreational and technical diving due to its acquired expertise, and is now being used in professional and military environments.

Are rebreathers worth it? ›

In short, a rebreather can improve the way divers experience the underwater world in profound ways. “The rebreather allows me to do dives that logistically wouldn't be possible, or would be incredibly complex to plan safely using open circuit,” says Gemma Smith, a British master scuba diver trainer and CCR instructor.

How long can you stay underwater without a rebreather? ›

Oxygen exposure limits are laid down by NOAA and according to their Exposure Limits dive duration at the default setpoint of 1.3 bar is limited to 3 hours (or 3 1/2 hours per day).

How long can you breathe with a scuba tank? ›

Based on personal experience, an average open water certified diver using a standard aluminum 80-cubic-foot tank on a 40-foot dive will be able to stay down for about 45 minutes before surfacing with a safe reserve of air.

Can you talk with a rebreather? ›

Like really quiet. You can hear other rebreather divers talking because it's so quiet. You can hear the mushroom valves in the mouthpiece opening and closing it's so quiet. Fish aren't scared of you.

What scuba gear do Navy SEALs use? ›

US Navy SEALs use 3 main types of underwater breathing gear : open circuit compressed air , closed circuit (100% oxygen) (LAR V Draeger) and closed circuit (mixed gas) (MK 15, MK 16). Other US Special Operations Forces that have an amphibious capability also use these systems.

Do Navy SEALs use rebreathers? ›

Navy SEALs use two types of rebreathers. The LAR V Draeger runs on 100 percent oxygen, and the unit filters carbon dioxide from the exhaled air. The elimination of bubbles makes the Draeger ideal for clandestine amphibious operations, says the American Special Ops website.

How much does a rebreather weight? ›

WHICH REBREATHER IS RIGHT FOR YOU?
WHICH REBREATHER IS RIGHT FOR YOU?
Flight Weight (w/o cylinders)18.25kg16.14kg
Unit Height57.5cm47.5cm
Width x Depth40 x 35cm40 x 35cm
SummaryExtended scrubber & cylinder duration. Perfect for deeper longer divingCompact, light and easy to fly
6 more rows

What is diluent in rebreather? ›

The most common diluent used for rebreathers is air. For deeper dives beyond the recreational range varying mixes of trimix are used for the diluent. The diluent is commonly chosen based on reducing the amount of narcosis at depth and acceptable PPO2 levels.

Can you make a rebreather? ›

Vintage Scuba: Build Your Own Rebreather - S02E06 - YouTube

What is the deepest rebreather dive? ›

The late Dave Shaw on October 28, 2004 set the world record depth for a rebreather dive when he descended to 885 feet (270 m) using a modified Mk 15.5 rebreather at Boesmansgat, South Africa."

What is the deepest scuba dive? ›

Welcome to the Officially Amazing universe, Ahmed Gabr. Ahmed, a 41-year-old Egyptian, has broken the record for the deepest SCUBA dive, plunging an astonishing 332.35 m (1,090 ft 4.5 in) in the Red Sea off the coast of Dahab, Egypt.

What is the deepest free dive record? ›

Deepest no-limits freedive

The record for deepest no-limit freediving is 214m (702ft), held by Austrian world champion Herbert Nitsch, who set the record on 14 June 2007 in Spetses, Greece.

How do you breathe underwater gadgets? ›

Triton oxygen mask allows underwater breathing without oxygen tanks

Are there artificial gills? ›

Artificial gills are unproven conceptualised devices to allow a human to be able to take in oxygen from surrounding water. This is speculative technology that has not been demonstrated in a documented fashion.

How does a water rebreather work? ›

How rebreathers work - YouTube

What is the advantage of a rebreather? ›

A rebreather does not exchange gas with every breath and in addition, the chemical reaction in the scrubber heats up the gas with every cycle and reduces the heat loss of your body in cold water even further. In addition, the gas in the loop stays humid and reduces dehydration.

What cave is the rebreather in? ›

Location. The rebreather currently can only be found in Cave 5 - Submerged Cave, near the southern entrance. It is found right before a water hole inside the cave.

What is the purpose of a rebreather mask? ›

What is Rebreather mask? A rebreather mask has a plastic reservoir bag that saves one-third of a person's exhaled air, while the rest of the air gets out via side ports covered with a one-way valve. This allows the person to re-breath some of the carbon dioxide, which acts as a way to stimulate breathing.

How long can navy SEALs hold their breath? ›

Navy SEALs can hold their breath underwater for two to three minutes or more. Breath-holding drills are typically used to condition a swimmer or diver and to build confidence when going through high-surf conditions at night, said Brandon Webb, a former Navy SEAL and best-selling author of the book “Among Heroes.”

Is holding your breath for 2 minutes good? ›

For most people, it's safe to hold your breath for a minute or two. Doing so for too much longer can decrease oxygen flow to the brain, causing fainting, seizures and brain damage. In the heart, a lack of oxygen can cause abnormalities of rhythm and affect the pumping action of the heart.

How long can Tom Cruise hold his breath? ›

Tom Cruise held his breath underwater for six minutes while filming “Mission: Impossible – Rogue Nation,” but Winslet beat him by over a minute, holding her breath for seven minutes and 14 seconds while filming an underwater scene for James Cameron's “Avatar 2.”

Can you survive 47 meters underwater? ›

According to the US Navy dive decompression tables a diver may spend up to five minutes at 160' (47 meters) without needing to decompress during their ascent. The longer a diver stays underwater the greater their exposure to “the bends” becomes.

How long do aluminum scuba tanks last? ›

In the US, the DOT (Department of Transportation) controls scuba cylinders. While wrong, many dive shops agree that a properly cared for aluminum tank has a service life of about 20 years. In reality, aluminum tanks by engineering can withstand the stress of 100000 refills or 10000 hydrostatic tests.

What is a semi-closed rebreather? ›

Semi-closed rebreathers

A semi-closed loop device is characterized by extracting CO2 from exhaled breathing air (extraction), injecting needed oxygen (addition), storing the processed breathing gas in the counter lung (storage), and having a breathing loop - commonly called a "loop" - to flow the gas (circulation).

Who invented rebreather? ›

A prototype rebreather was built in 1849 by Pierre Aimable De Saint Simon Sicard, and in 1853 by Professor T. Schwann in Belgium. It had a large back mounted oxygen tank with working pressure of about 13.3 bar, and two scrubbers containing sponges soaked in a caustic soda solution.

Can you talk while underwater? ›

Special underwater communication systems have been developed to allow divers to talk to each other underwater. A transducer is attached to the diver's face mask, which converts his or her voice into an ultrasound signal.

How deep can a Navy SEAL dive? ›

Current models have only been able to go down as far as 1,200 feet. Meeting the Navy's high safety requirements, the ADS suit was designed and acquired by the Navy to support submarine rescue.

How deep do Navy divers go? ›

First class divers could work 300 ft (91 m) depths while salvage and second class divers were qualified down to 150 ft (46 m).

What Regulator do Navy divers use? ›

Description. Mares Abyss 22 Navy II scuba regulator is made for extreme conditions, and is the only regulator to pass the U.S. Navy's strict standards for extreme cold water diving.

How many dives is considered advanced? ›

Complete a total of 24 dives, take any four specialty courses, and you're entitled to the advanced open-water card. SSI believes that it's diving experience that counts, so at SSI an advanced open-water card means more independent diving, less instruction.

What wetsuits do SEALs use? ›

The SEALs are wearing diving masks and MK 25 rebreathers - a type of closed circuit SCUBA - over hooded Xcel Infiniti Synergy wetsuits. They have removed their flippers and have them looped over their right arm. Wetsuits such as those shown here are made from foamed neoprene, a synthetic rubber.

What happens if a diver does not decompress? ›

If a diver ascends too quickly, the nitrogen gas in his body will expand at such a rate that he is unable to eliminate it efficiently, and the nitrogen will form small bubbles in his tissues. This is known as decompression sickness, and can be very painful, lead to tissue death, and even be life threatening.

Does nitrox make you less tired? ›

Reduce Fatigue.

Many divers claim to feel less tired after a dive on nitrox than after a similar dive on air. By reducing a diver's nitrogen absorption, nitrox may also reduce a diver's post-dive exhaustion.

Who invented scuba apparatus? ›

Jacques Cousteau and Emile Gagnan together invented the modern demand regulator used in underwater diving. Their invention allowed for the equipment known as the Aqualung, or self-contained underwater breathing apparatus (SCUBA), enabling safer and deeper dives.

Is rebreather a mix? ›

IS-MixTM Rebreather – Developed for the most hostile waters. Our semi-closed rebreather, the IS-Mix, is a complete mine clearance system developed for disarming highly sensitive and explosive modern-day sea mines. Based on the well-proven ACSC and DCSC systems, the IS-Mix is built on more than 30 years of experience.

What is FO2 in diving? ›

Remember, some dive computers, and their manuals use the term “FO2” (fraction of oxygen). In other words, 32% oxygen is the same thing as . 32 FO2 in these cases.

How do people go underwater with snorkels? ›

You breathe through the tube as you view the reefs through shallow waters. With a full-face snorkel mask that covers your entire face, you can breathe through both your nose and your mouth. There's still a tube that's actually connected to the top of the mask rather than your mouth.

How do I choose a rebreather? ›

How to pick your first rebreather
  1. Understand, there is no perfect rebreather. ...
  2. Learn rebreather basics first. ...
  3. Ask lots of people. ...
  4. Most of what you read on the internet is wrong. ...
  5. Do proper try dives. ...
  6. Learn about the manufacturer.
16 Dec 2019

How does a closed circuit rebreather work? ›

In the most basic terms, a closed circuit rebreather takes all of your exhaled gas and retains it within the system in a closed loop. That exhaled gas is then filtered, refreshed, and recycled back for you to breathe again. Bubbles will escape from this system only during ascent and mask clearing.

Where can I get a rebreather? ›

How to GET THE REBREATHER! The Forest Tutorial - YouTube

How much longer does a rebreather last? ›

You can usually dive for 2-3 hours with even small cylinders (rebreathers typically have either two 2/3l cylinders or one 3/5l cylinder).

Are rebreathers worth it? ›

In short, a rebreather can improve the way divers experience the underwater world in profound ways. “The rebreather allows me to do dives that logistically wouldn't be possible, or would be incredibly complex to plan safely using open circuit,” says Gemma Smith, a British master scuba diver trainer and CCR instructor.

What is the advantage of a rebreather? ›

A rebreather does not exchange gas with every breath and in addition, the chemical reaction in the scrubber heats up the gas with every cycle and reduces the heat loss of your body in cold water even further. In addition, the gas in the loop stays humid and reduces dehydration.

How long can you stay underwater without a rebreather? ›

Oxygen exposure limits are laid down by NOAA and according to their Exposure Limits dive duration at the default setpoint of 1.3 bar is limited to 3 hours (or 3 1/2 hours per day).

How long can you dive on a KISS rebreather? ›

The scrubber baskets hold a total of 4.4 lbs of Melecular 797 grade (812 mesh) sofnolime offering approximately 4 hours of dive time.

What dive gear do Navy SEALs use? ›

Navy SEALs use self-contained underwater breathing apparatus, or SCUBA, breathing systems for standard dives. The diver carries the bulky air tank on his back. SCUBA gear uses an open-circuit system, meaning that the diver expels the air into the surrounding water.

Can you talk with a rebreather? ›

Like really quiet. You can hear other rebreather divers talking because it's so quiet. You can hear the mushroom valves in the mouthpiece opening and closing it's so quiet. Fish aren't scared of you.

How deep can a Navy SEAL dive with a rebreather? ›

With a maximum depth of 70 feet, the LAR V Draeger rebreather cannot operate as deep as open circuit SCUBA systems. The unit's relatively small size and front-worn configuration makes them suitable for shallow water operation. Dive duration is affected by depth, water temperature and oxygen consumption rate.

How long do scuba tanks last? ›

A modern and properly cared for steel tank lasts up to 50 years. Considering the number above that sounds like less time. Steel tanks require more maintenance and are more susceptible to corrosive damage.

What is diluent in rebreather? ›

The most common diluent used for rebreathers is air. For deeper dives beyond the recreational range varying mixes of trimix are used for the diluent. The diluent is commonly chosen based on reducing the amount of narcosis at depth and acceptable PPO2 levels.

How does a rebreather system work? ›

A rebreather is a breathing apparatus that absorbs the carbon dioxide of a user's exhaled breath to permit the rebreathing (recycling) of the substantially unused oxygen content, and unused inert content when present, of each breath. Oxygen is added to replenish the amount metabolised by the user.

What is FO2 in diving? ›

Remember, some dive computers, and their manuals use the term “FO2” (fraction of oxygen). In other words, 32% oxygen is the same thing as . 32 FO2 in these cases.

What is closed circuit diving? ›

What Is Closed-Circuit Diving? Closed-circuit diving, on the other hand, involves the use of a rebreather, as well as other equipment, that recycles some or all of the breathing gas. Rebreathers contain a mouthpiece through which you inhale and exhale while underwater.

How long can navy SEALs hold their breath? ›

Navy SEALs can hold their breath underwater for two to three minutes or more. Breath-holding drills are typically used to condition a swimmer or diver and to build confidence when going through high-surf conditions at night, said Brandon Webb, a former Navy SEAL and best-selling author of the book “Among Heroes.”

Is holding your breath for 2 minutes good? ›

For most people, it's safe to hold your breath for a minute or two. Doing so for too much longer can decrease oxygen flow to the brain, causing fainting, seizures and brain damage. In the heart, a lack of oxygen can cause abnormalities of rhythm and affect the pumping action of the heart.

How long can Tom Cruise hold his breath? ›

Tom Cruise held his breath underwater for six minutes while filming “Mission: Impossible – Rogue Nation,” but Winslet beat him by over a minute, holding her breath for seven minutes and 14 seconds while filming an underwater scene for James Cameron's “Avatar 2.”

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