Best Spare Air in 2026

Completely redundant alternate air source: safety back-up air supply

Many advantages over standard alternate air source, allows self rescue in emergency out-of-air-situation

3000 PSI (200 bars) 3.0 cu. Ft. (85 liter) of outstanding, refillable backup air system, small and easy to use

Package includes Spare Air, Holster, Safety Leash and Refill Adapter.

Provides twice the amount of air over the standard 3.0 cu. ft. Spare Air.

Refill your Spare Air in seconds from any full SCUBA tank.

* Easy to travel with! Easy to refill! Easy to wear! Easy to hand off to a fellow diver in trouble!

* High performance on-demand scuba regulator with a 3.0 cubic foot - 3000 psi tank, dial pressure gauge, fill adapter, holster, and leash

* Dial Gauge Upgrade instead of the standard Pin Style Pressure Indicator Assembly

YOUR SAFETY SECURED: The Spare Air Emergency Tank was created after its inventor had a close call running out of air and barely escaping to the surface in time. With this simple backup tank you can ensure you'll always have enough air to return.

SIMPLE TO USE: The Spare Air system is designed to be simple so you can access your backup air any time. This refillable cylinder can be handed off to a fellow diver in trouble and begin providing nitrox oxygen in a moment's notice.

LOW PROFILE TANK: With it's small size and simple holster system this tank is out of the way when diving but easily accessible when you need it. It's 13.4" tall and has a 2.25" diameter. Weighing just 2.2lbs when full you can ignore this mini tank until you need it.

YOUR SAFETY SECURED: The Spare Air Emergency Tank was created after its inventor had a close call running out of air and barely escaping to the surface in time. With this simple backup tank you can ensure you'll always have enough air to return.

SIMPLE TO USE: The Spare Air system is designed to be simple so you can access your backup air any time. This refillable cylinder can be handed off to a fellow diver in trouble and begin providing nitrox oxygen in a moment's notice.

LOW PROFILE TANK: With it's small size and simple holster system this tank is out of the way when diving but easily accessible when you need it. It's 13.4" tall and has a 3.25" diameter. Weighing just 3.7lbs when full you can ignore this mini tank until you need it.

This Spare Air Upgraded Package comes complete with.... <BR>1.7 cubic foot - 3000 psi tank<BR>High performance on-damand supply regulator<BR>Dial Gauge Upgrade instead of the standard Pin Style Pressure Indicator Assembly<BR>Deluxe custom holster to attach to a modular-type vest.... ideal for Switlik Modular Aircrew Vest<BR>Under 9" tall, the "HEED 3" is the smallest emergency breathing device on the market<BR>Mouthpiece cover and lanyard included

Easy to travel with!.... Easy to hand off to a fellow pilot in trouble!

Easy to wear!

Submersible Systems (Spare Air) has been in business over 40 years, sold over 300,000 units and made in the USA.

Compact and hands free when in use. Provides a completly redundant air source - safer and easier to use than the standard octopus. Faster too!

Chest mount harness for easy access

Material: Nylon with TPU

Size: 5" (W) x 4' (L)

Plastic Clip included

🌊 HIGH VISIBILITY DESIGN: The bright surface marker signal tube is a 5ft surface marker with a reflective band tape on the top for maximum visibility. Easily draws people's attention and allows them to find your position quickly. “Diver Below” markings ensure the divers be in safety, really an indispensable accessory for diver location marker

🌊 SMB EXPLOSION-PROOF MATERIALS: Surface marker buoy is made from a 210D Nylon Fabric with a TPU coating for added strength in all water conditions and a built-in overpressure relief valve allows the tube to ascend without rupturing. Good sealing performance, explosion-proof, durable, and not easy to damage.

🌊 SMB EASY TO INFLATE OR DEFLATE: Inflatable Safety Tube/SMB can be filled using the oral inflator or through the use of a regulator in the open bottom of the SMB. Or quick deflate after using for storage. Giving you a convenient using experience.

✅ Max 3000 Lumens Output & 6 Degree Super-focused Beam - ORCATORCH D710 is the most compact and lightweight dive light of high-lumen dive lights. A 6-degree narrow beam angle provides you with a super bright spotlight and longer beam distance, you can explore narrow crevices underwater easily.

✅ 4 Brightness Levels & Ultra-long Burn-Time - This diving light has high (1700 lumen), medium (800 lumens), low (400 lumens), and hidden turbo (3000 lumens) modes to satisfy your different underwater lighting needs. A titanium alloy side push-button switch, reliable and practical, easy to operate. The run-time is up to 7hrs in the lowest brightness mode, allowing you to enjoy the fun of exploring the fantastic underwater world!

✅ User-friendly Battery Levels Indicator - The built-in color indicator located on the side switch clearly displays the remaining battery levels in real-time, to let you know when to recharge the battery for optimum use. The green light on (over 30%), red light on (10% ~ 30%), and red light flashing (less than 10%).

BRIGHT LED ILLUMINATION: Adopts LED to emit even, super bright spotlight when diving, fishing, hiking, camping, trekking or emergencies

SUPER BRIGHT: Powerful XM-L2 LED, 2000 lumens, Neutral White light assists you observe target 100 meter away.

EASY TO OPERATE: to click the side magnet switch to turn on or cycle through high light. Powered by rechargeable battery (included in package), recharge again and again.

Diver Below Surface Marker Buoy--High Visibility Reflective Band on the double sided of the diver down flag, pointing out there is diver below . There is a D ring on the top, you can hang night lights in dark.

Easy Filling and Steady--You can use mouth / low press BCD snorkel / Second Stage hose.Using automatic method will fast and convenient. Besides, these is a weighted block in the end of tube so that make it stand upright.

Safety and Rupture Resistant--Very steady 210D Nylon Fabric, Non-return Design, the input will aotomatic turn off after finish inflatable. And built-in over pressure relief valve, it will release the excess pressure.

Dive Safely in Crowded Areas or Signal Your Boat Team - A safety sausage is necessary gear for every scuba diver, whether it's to avoid crowded marinas, bays or lakes from other boats or jet skis or to flag your boat team where you are located while in the ocean or drift diving. Our safety marker is 7ft tall, with Diver Below markings to ensure maximum visibility during the day.

Be Seen At Night in an Emergency - We have designed our DSMB to be seen at night, with a highly visible reflective band wrapped fully around the diving marker and two holders at the top of the tube, one for a strobe light and another for a diving flashlight or torch, that will shine high into the sky to allow you to be seen by boats from up to 500 yards away.

Reliable and Rupture Resistant - Made from a 210D Nylon Fabric, double stitched with a TPU coating for added strength, our delayed surface marker buoy (DSMB) can be safely deployed at depth. Simply inflate orally underwater and control ascension with the reel.

🏄 HIGH VISIBILITY DESIGN - The Neon red surface marker signal tube is a 5ft surface marker with a Reflective Band tape on both sides for maximum visibility.

🏄 EASY FILL & STABILITY - SMB (total weight 390 grams) can be filled using the oral inflator, or through the use of a regulator in the open bottom of the SMB.

🏄 RUPTURE RESISTANT - Made from a 210D Nylon Fabric with a TPU coating for added strength in all water conditions and a built-in over pressure relief valve allows the tube to ascend without rupturing.

【QUALITY】- This Boat Flag Flyer is one of a kind and built to last! Made from furniture grade PVC, resilient heavy-duty flag, and perfectly fitted for your rod holder, it's built to endure high winds and rough seas!

【RELIABLE & SIMPLE】- This flag flyer is equipped with a bungee to secure it inside the rod holder, and a Hook & Loop strap to keep the flag rolled up for storage. The screw attachments are all marine grade stainless steel and plastic thumbscrews allow for quick and easy installation of any flag up to 27” tall. Once attached, your flag can swivel 360 degrees around the pole.

【CONVENIENT】- The PVC pole measures 43" in length, making it the perfect size to store with the rods and durable enough to be thrown in an empty fish box without worry. The material used is by far the highest quality Structural Grade PVC pipe you can buy. Furniture Grade Pipe is made from 100% solid-wall vinyl, so the color is throughout pipe. Furniture pipe is UV- and impact-resistant for tough outdoor durability. Outer pipe is free of manufacturer markings and has a high-gloss exterior.

Super Bright Diving Lights: DF-3000 Scuba diving flashlights with MAX output 1000 lumens, Narrow and powerful beam reach long distance is perfect for technical dives.

Professional Diving Safety Lights: DF-3000 Scuba dive light built-in safety chip with low battery protection, Composed of high-precision parts, The diving flashlight underwater waterproof depth up to 150 meters.

12 Hours Long Lasting: DF-3000 underwater flashlight for diving, which is powered by a high 4800 capacity rechargeable battery, diving light rechargeable enable a solid 3.5 hours constant using on high light mode, 12+ hours on low light mode.

Small & Easy to use: OrcaTorch D560 is a mini scuba headlamp, only 92mm length, 47.5g weight. It won't take up the space and weight of your backpack.

Included MX05 mask clip: you can clip the D560 dive light with ORCATORCH MX05 mask clip on your dive mask or cave helmet, to achieve the liberation of your hands. (The mask clip can rotate 360°)

Rotary switch: the professional mechanically head twist switch offers high reliability underwater. Screw the light head tightly to turn on the light, unscrew the light head to turn off the light. It's very easy to operate.

EASY CLEARING — Unique tube & seal system makes equalizing easier.

PREVENTS EAR ACHE — Eliminates pressure-induced ear pain.

BETTER HEARING — Enhances sense of sound under water.

🏊【USING IT MORE SAFER】:SMACO S400 diving gear adopts a constant pressure air outlet device to make the air outlet pressure constant, making breathing very easy.At the same time, an external explosion-proof valve design is adopted, which makes the explosion-proof index more accurate and safer to use.

🏊【20 MINS UNDERWATER BREATHING】:SMACO mini diving tank has a capacity of 1L and can breathe underwater for 15-20 minutes. At the same time, the scuba tank has three-layer filtration device, which effectively prevents the entry of dust and impurities, making the inhaled gas cleaner. (Attention: Diving depth, temperature, and breathing rate will affect the use time of the scuba tank.)

🏊【BOARD THE PLANE】:After you disassemble the scuba tank, you can take it on the plane and go diving anywhere. It has safe depth limit of about 33ft. It can be used as a backup air source for deep diving within 100 ft. Mini diving cylinder is suitable for underwater exploration, boat cleaning, emergency rescue, backup air source, etc.

INFLATABLE DIVER BELOW BUOY / FLOAT - (13' diameter) for constant surface signalling and easy storage to protect yourself and others from boaters, marina traffic. Note: Ensure the water is added to the bottom of the buoy prior to use for stability in the open water.

INTERNATIONALLY RECOGNIZED DIVER FLAG – The Flag size is 13’x11’. Please check with your local state regulations first, as flag requirements vary.

NO WIND? NO PROBLEM! - Our flag includes a stiffener that fits firmly within the flag prevent the flag from folding or flopping in the wind improving visibility on the surface.

Available colors: Orange and Yellow

Clips to pockets or belts

High decibel level of sound.

YAMAHA RDS300 SEASCOOTER - Is lightweight and powerful. Designed to cruise at speeds up to 3. 0mph (4. 8km/h) the RDS300 will allow you to maximize your underwater dive experience

FEATURING – 2 - level rotational speed control system provides speeds up to 3 mph / 4. 8 km/h, a depth rating of 100ft (30m) with a run time up to 1. 5 hours with normal use

WATERPROOF CONSTRUCTION - Prevents accidental flooding is impact resistant heavy duty rubber hull protection

【QUALITY】– This dive flag kit is one of a kind and built to last! Made from heavy duty 48 grams / 210 Denier Nylon, and brass grommets, making it thicker, and more durable than most dive flags in the market. it's built to endure high winds and rough seas! Bright red and white colors for a clear warning to others.

【RELIABLE & RESILIENT】- 14" by 16" with a fiberglass stiffening pole to comply with state buoy laws. Most states (including Florida) require these specifications for use on a buoy.

【PORTABLE】- Collapsible, included is a quality cordura style hook & loop strap that comes in 1" x 10" which helps keep the kit rolled up for easy transporting to & from your diving trip

★【Diving Tank】：The diving tank is made of aviation aluminum, which is strong and light, with strong pressure resistance, up to 3000PSI/200BAR/20Mpa. All diving tanks are DOT certified, safe and reliable. The submersible tank is equipped with a light-emitting pressure gauge, made of 316 stainless steel, and functions as usual at 60 meters underwater, so that you can know the remaining air in the tank at any time.

★【Respiratory System】: Chrome-plated full brass breathing head + full silicone breathing valve, equipped with a mask connector, anti-rust, seawater corrosion resistance, not easy to block. The all-silicone respirator has a built-in advanced filter, let you breathe freely underwater. According to the breathing rate and diving depth, a 1L capacity diving tank can let you breathe 340 times under water for about 10-15 minutes.

★【Portable】：After you disassemble the diving equipment, you can take it on the plane and accompany you to any place for diving. This is a scuba breathing device suitable for recreational diving within ten meters.The mini-light diving cabin is suitable for underwater exploration, boat cleaning, emergency insurance, backup air source, etc.

Ultra Durable: Patented Injection Molded Monprene Gel Harness is extremely resistant to UV

chemicals and abrasion. The fabric-free harness uses no velcro or zippers.

BC-4-Life Modular Design: Customizable to add/remove weight systems

DiveCatalog Exclusive package includes the Nautilus Lifeline Marine GPS, Neoprene Pouch, and DiveCatalog's coil lanyard which is designed to keep your Nautilus Lifeline GPS in a secure, yet highly functional position on your gear.

The all new Nautilus LifeLine Marine Rescue GPS is less than half the size of our original radio and is incredibly simple to use.

Simply undo the latch and open, turn on, remove the red distress cap and press the red button.

Standard 28" long lifeguard rescue can style torpedo hard float / buoy, made from high grade polyethylene material that is very resistant to long exposure to saltwater and sun’s UV rays. Durability and high buoyancy makes this buoy a perfect tool for spearfishing, and rescue.

The Dive Flag included is built to last! Made from heavy duty 48 grams / 210 Denier Nylon, and brass grommets, making it thicker, and more durable than most dive flags in the market. Bright red and white colors offer high visibility as clear warning to boaters. To maintain the flag fully displayed even without wind, we have added a removable fiberglass rod that will not bend or rust. Measuring 14 inch x 16 inch which exceeds Florida Dive Flag regulations for buoys and floats.

The Float is equipped with a counterweight system to keep the Float upright and displaying the flag at all times, even during rough seas and high waves. The system is designed for the flag to be removed for easy storage and transportation. A 1.5 inch wide Hook & Loop Strap with rubber pull tab is included to keep it all together when not in use.

Torpedo buoy

Fabric cover and rings

Comes with 2 flags

Half the size of lifeline rescue Radio

Transmits GPS position to boats up to 34 miles using ais/DSC technology

No mmsi, licenses & registration

🤿【More Comprehensive Diving Mask】: This full-face mask can provide a 180° panoramic view for you to see the underwater world more clearly. It has a detachable camera mount for you to capture every moment underwater. The dual-channel exhaust design of the secondary valve and the exhaust valve perfectly solves the foggings. Moreover, the diving mask has a drain valve, if there comes a leak underwater, just pull the drain valve, the compressed air in the mask will drain the water.

🤿【More Stylish Diving Equipment】: After connecting the mask with your secondary valve, you will get a stylish diving equipment. You don't have to bite the secondary valve to breathe anymore, the compressed air will go into the mask and you can breathe through your nose like a full face snorkel mask. It will better protect your facial skin. The one-piece structure of the mask and the secondary valve can perfectly avoid the problem of glasses and breathing valve falling off during diving.

🤿【More Flexible Diving Gear】: The fixed strap is adjustable, you can easily adjust it according to your face shape; the full-face mask can be quickly removed by pulling the quick-release tab; the skirt of the mask is made of silicone, which is very soft and does not compresses your face, bring a very comfortable diving experience; just a few cable ties can tightly connect the secondary valve to the mask, and then you can get a diving equipment that can breath through your nose.