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.

Is this a disposable mini scuba tank?

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

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.

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.

Smaco S400 Mini Scuba Tank 1l Portable Diving Lung Air

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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5789082Ar

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Sold byAmazon MadagascarDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🌊 Dive Light, Breathe Right — Your Portable Air Lifeline

BREATHE EASY DIVE SAFER - Constant pressure exhaust + explosion-proof device ensures smooth, secure air flow every time.
COMPLETE DIVE KIT INCLUDED - 1L pony bottle, harness, and hand pump ready for immediate underwater exploration.
TRAVEL READY DIVE COMPANION - Disassembles for hassle-free airline transport—take your adventure anywhere.
VERSATILE INFLATION OPTIONS - Fill via dive shop, SMACO compressor, refill adapter, or hand pump—flexibility meets convenience.
RELIABLE AIR SUPPLY ON DEMAND - Delivers approx. 75 breaths at 200 bar with dual-layer filtration for crystal-clear air.

The SMACO S400 Mini Scuba Tank is a 1L portable diving pony bottle designed for shallow recreational diving, pool training, and emergency backup air. Featuring explosion-proof technology and a dual-layer filtration system, it delivers approximately 75 breaths at 200 bar. Its compact, airline-friendly design and multiple refill options make it the ultimate travel-ready air source for millennial adventurers seeking safe, reliable underwater freedom.

Specifications

Asin	B08HJY3584
Best Sellers Rank	#178,233 in Sports & Outdoors (See Top 100 in Sports & Outdoors) #19 in Diving Tanks
Brand Name	SMACO
Customer Reviews	4.2 4.2 out of 5 stars (213) 4.2 out of 5 stars
Date First Available	October 19, 2020
Item Package Dimensions L X W X H	5.91 x 5.91 x 5.91 inches
Manufacturer	SEBiger
Package Weight	2 kg
Part Number	S400
Style	E-green
Warranty Description	1 year

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5789082Ar

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In stock

Sold byAmazon MadagascarDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Madagascar.

Secure transaction

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SMACO S400 Mini Scuba Tank, 1L Portable Diving Lung Air Tank

Description

Specifications

Common Questions