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SMACO Mini Scuba Tank 1L Small Scuba Tank Diving Oxygen Cylinder with 15-20 Minutes Underwater Breathing Portable Diving Tank Kit for Underwater Exploration Emergency Rescue Pony Bottle S400

SMACO Mini Scuba Tank 1L Small Scuba Tank Diving Oxygen Cylinder with 15-20 Minutes Underwater Breathing Portable Diving Tank Kit for Underwater Exploration Emergency Rescue Pony Bottle S400

Q: How can you see how much bar/psi you have left if the gauge is on your back?

For the S400 series, we recommend that you carry the bag on your chest to check the pressure gauge. If you don’t like this, I suggest you buy the latest S400 PRO, this one uses an extended pressure gauge and a waist pack, you can check it through the extended pressure gauge.

Q: Is this a disposable mini scuba tank?

no we bought this one on purpose so we can refill it

Q: What about buoyancy? how can you control your buoyancy without bcd? will the tank drag you down?

I deleted two answers... A filled tank (200 bar or 3,000 psi) - may it be S700, S400 1.0L or S300 - will go down to the bottom. It has a negative buoyancy. An empty tank won't ascend from the bottom, but it will take an upside down position, its buoyancy is much less negative. Attached to you it "might" affect your buoyancy, but that depends on your own buoyancy. Buoyancy control depends on your buoyancy, and that from your weight, bodyfat ratio, gear weight, salinity etc.

Q: Are these air tanks allow on planes

Yes, if you can show that the first stage regulator is unscrewed from the tank. Airlines are concerned with pressurized tanks.

Product ID: 388488203

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⏱️15-20 mins underwater breathing

✈️Airplane-friendly portable design

🛡️Explosion-proof valve for max safety

Frequently Bought Together

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Description

🌊 Dive Smart, Breathe Confidently – Your Mini Oxygen Lifeline!

INFLATE YOUR WAY - Four versatile inflation methods including quick 8-second fill with SMACO adapter—never get stuck without air.
SAFETY FIRST ALWAYS - External explosion-proof valve and triple-layer filtration keep your dive secure and your air pure.
VERSATILE RELIABLE - Perfect for underwater exploration, emergency rescue, or as a backup air source up to 100 ft depth.
BREATHE EASY DIVE LONGER - Constant pressure air outlet ensures effortless, steady airflow for up to 20 minutes underwater.
TRAVEL READY DIVE COMPANION - Compact 1L tank disassembles for hassle-free airplane transport—dive anywhere, anytime.

The SMACO Mini Scuba Tank S400 is a compact, 1L diving oxygen cylinder designed for 15-20 minutes of underwater breathing. Featuring a constant pressure air outlet and an explosion-proof valve, it prioritizes safety and ease of use. Its triple-layer filtration ensures clean air intake, while its disassemblable design makes it airplane-friendly for global adventures. Certified by DOT/CE, it supports multiple inflation methods and serves as a reliable backup air source for dives up to 100 ft.

Specifications

Style	S400-A-GREEN
Team	Smaco
Batteries Included?	No
Brand	SMACO
Manufacturer	SMACO
Item model number	S400
Package Dimensions	49.4 x 23.29 x 13.79 cm; 3.07 kg
ASIN	B08HHHDSZT

Have a Question? See What Others Asked

How can you see how much bar/psi you have left if the gauge is on your back?

Is this a disposable mini scuba tank?

What about buoyancy? how can you control your buoyancy without bcd? will the tank drag you down?

Are these air tanks allow on planes

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