GEAROPT GT-500
◉ Recommended for shallow-water use within 3 meters
◉ Approx. 5–10 min use time
◉ Refillable compact air system
◉ 200 BAR / 3000 PSI working pressure
◉ Lightweight setup for quick water sessions
*For properly trained users only. Actual use time may vary depending on depth, breathing rate, water conditions and user experience.
*Not a replacement for full scuba training, standard scuba equipment, or proper dive planning.
Compare mini scuba tanks and diving cylinders.
Read the guide: How to Choose a Mini Scuba Tank for Shallow-Water Training
Is the GEAROPT GT-500 Right for You?
The GEAROPT GT-500 is a compact 0.5L Mini Tank designed for properly trained users who need short, controlled shallow-water access. It is best suited to appropriate recreational water activities within the product guidance and your own training.
- Compact 0.5L format: Easy to carry and store for short shallow-water sessions.
- Clear system checks: Review the pressure gauge, regulator, seals and connections before every use.
- Refill-ready setup: Use only compatible equipment and clean, dry, breathable compressed air.
Before You Enter the Water
- Read the product manual and confirm that the planned activity is within the stated product guidance.
- Inspect the cylinder, regulator, mouthpiece, pressure gauge, seals and fittings.
- Do not exceed the rated working pressure shown on the product markings or in the manual.
- Use only clean, dry, breathable compressed air from a compatible filling setup.
- Do not use damaged, leaking, modified or abnormal equipment.
The GT-500 is not a replacement for full scuba equipment, dive planning, professional training, rescue equipment or emergency equipment.
Questions Before You Buy?
Review common questions about intended use, filling, maintenance and safety before choosing your setup.
Made for Quick Shallow-Water Moments
Light, compact and easy to prepare, the GEAROPT 0.5L Mini Tank is designed for quick shallow-water sessions within 3 meters and responsible recreational use.
Technical Core
0.5L
200 BAR / 3000 PSI
Within 3 meters
5–10 min
Clean, dry, breathable compressed air only
Quick shallow-water sessions, surface-level access, recreational water use
Manual hand pump, compatible high-pressure compressor, approved refill adapter
For properly trained users only
1-year limited warranty
Extended Pressure Gauge
Designed with a rotatable extended pressure gauge for more convenient air-level reading.
Valve Structure
An exploded view of the breathing valve head shows the key components behind its compact and integrated design.
35° Reading Angle
The extended pressure gauge sits at a 35° angle to the valve head for easier and more natural pressure reading.
Extended Pressure Gauge
Designed with a rotatable extended pressure gauge for more convenient air-level reading.
Valve Structure
An exploded view of the breathing valve head shows the key components behind its compact and integrated design.
35° Reading Angle
The extended pressure gauge sits at a 35° angle to the valve head for easier and more natural pressure reading.
Safety First
Use Responsibly
The GEAROPT 0.5L Mini Tank is intended for properly trained users and short underwater access in controlled shallow-water conditions within 3 meters.
It is not a replacement for full scuba training, standard scuba equipment or proper dive planning.
Always:
Read the product manual before use.
Use only clean, dry, breathable compressed air.
Do not exceed 200 BAR / 3000 PSI.
Use within 3 meters and within your training ability.
Check all connections before entering the water.
Do not use for deep diving, cave diving, wreck diving or professional underwater work.
Built for Every Water Moment.
With compact air support for quick moments just below the surface.
Protect What You Explore.
The ocean gives us freedom. It deserves our respect.
Every dive reminds us why clean water matters — for marine life, for future adventures, and for everyone who feels at home in the sea.
Go anywhere. Do anything. Leave nothing behind.
Built for Water. Made to Last.
The ocean gives us freedom, movement and stillness. But even what feels endless is more fragile than it looks.
At GEAROPT, we design water-sports products with long-term use in mind. We focus on durability, responsible maintenance and practical product choices that help reduce unnecessary waste.
From rechargeable audio products to reusable Mini Tank systems and refill accessories, our goal is simple: create gear that supports adventure while showing respect for the water that makes it possible.
Our Approach
