Q1: How long can this 0.5L mini scuba tank last underwater?

When fully filled to 3000 PSI, the 0.5L scuba tank can provide up to 5-10 minutes of breathing air. Actual duration depends on dive depth, water conditions, and individual breathing rate. This tank is a backup air source, not a primary scuba tank.

Q2: Can beginners or non-certified users use this tank?

No. This product is intended for certified scuba divers only. Proper training and knowledge of underwater breathing equipment are required to use this tank safely.

Q3: How do I inflate it?

You will need a high-pressure air compressor capable of producing 4500 psi, and you will need to ensure the air is dry and clean. Using a high-pressure manual pump, it would take over 500 cycles to raise a 0.5L cylinder to 3000 psi.

Q4: Can I use a regular air pump or tire inflator to fill it?

No. Standard air pumps, tire inflators, or low-pressure compressors cannot reach the required pressure and should not be used. Only professional high-pressure scuba filling equipment is suitable.

Q5: Has it been DOT certified?

Yes, all UNAROWHALS diving cylinders have passed DOT certification before they are allowed to be sold.

Mini Scuba Tank With Pump 5 10 Minutes Scuba Tank

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

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

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Description

🌊 Dive Smart, Breathe Confidently — Your Mini Tank for Maximum Freedom!

PUMP IT YOUR WAY - High-pressure hand pump included for filling on the go—show off your DIY skills and skip the dive shop.
PORTABLE POWERHOUSE - Compact 0.5L size delivers 5-10 minutes of reliable air—perfect for quick dives and emergency backup.
LIGHTWEIGHT YET RUGGED - DOT-certified aviation-grade aluminum tank built to resist corrosion and handle pressure like a pro.
BREATHE EASY DIVE FREELY - CPBV tech ensures steady airflow at any depth—no surprises, just smooth underwater freedom.
VERSATILE UNDERWATER COMPANION - Ideal for snorkeling, fishing, underwater photography, and shallow sea adventures—your all-in-one dive buddy.

The UNAROWHALS 0.5L mini scuba tank features a DOT-certified aviation-grade aluminum build and advanced Constant Pressure Breathing Valve technology, delivering a consistent air supply up to 3000 psi. Designed for portability and versatility, it offers 5-10 minutes of underwater breathing time, supported by a high-pressure hand pump for convenient refills. Perfect for shallow dives, snorkeling, and emergency backup, this tank combines safety, durability, and freedom for your underwater adventures.

Specifications

ASIN	B0CW941D2C
Best Sellers Rank	#207,458 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #25 in Diving Tanks
Brand Name	UNAROWHALS
Color	D005 D Black
Customer Reviews	3.0 3.0 out of 5 stars (18)
Date First Available	February 23, 2024
Item Package Dimensions L x W x H	24.76 x 9.96 x 3.27 inches
Item Weight	3.95 Kilograms
Manufacturer	UNAROWHALS
Material	Aluminum
Package Weight	3.95 Kilograms

Reviews

D**E

Not working

Tank leaked

7.08.2025

J**B

Don't buy

All I need to say is in the comments

17.03.2026

H**H

Cannot fill the tank!!

The connector between the hose and the tank is missing. The manual sir bump is also not working.

8.08.2025

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Mini Scuba Tank with Pump, 5-10 Minutes Scuba Tank with Mask, Portable Diving Tanks, 0.5L Lung Tank Dive Tank

Description

Specifications

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Common Questions