Reliable oxygen supply for your underwater adventures
Take your diving to the next level with the Threo refill hose adapter. Designed for divers’ safety, it ensures uninterrupted oxygen delivery from air cylinders. Built with sturdy materials, this tool withstands high air pressure for consistent performance. This makes our hose an important addition to your scuba gear setup.
Promote safety
Our tank hose securely connects to your air cylinders, ensuring a continuous oxygen supply. It features spring protectors that shield the hose from twisting and unwanted contractions. This boosts your safeness by preventing accidental leaks or intermittent air supplies. With a reliable connection, you can focus on enjoying your diving sessions worry-free.


Quality materials
Constructed with durable components like sturdy polyurethane and stainless steel, the Threo hose is built to last numerous diving sessions. It can handle pressure up to 400 bar (6000 psi), ensuring reliable performance over time.
Easy to transport
Featuring a compact design, our tool saves space in your gear bag. It allows for easy storage in a small compartment, simplifying preparation for your next dive.

JohnDiver
Excellent adapter, makes refilling tanks a breeze. Highly recommend!
DiverMike
Great quality but wish it included a protective storage pouch.
DiveMaster
High quality, seamless operation.
OceanVoyager
Great quality, efficient!
DeepSeaFanatic
Absolutely essential for regular divers. This adapter is uncomplicated to use and has significantly simplified my pre-dive preparations. Its robust build and efficiency make it an invaluable tool in ensuring my tank is always ready and safe.
AquaAdventurer
Works perfectly, very reliable for quick refills.
MarineDiver90
This adapter is a game-changer. It’s easy to connect and ensures a tight seal, so there are no leaks. It makes refilling my scuba tank at home much more convenient and cost-effective. Highly recommend for any diving enthusiast.
Taylor
Sturdy construction, easy to use, and perfect for travel.
Alex
Compact and highly efficient, this adapter makes tank refills a breeze. Secure fit and unrivaled performance. A must-have for all diving enthusiasts.
Jordan
Great product, although it could be slightly more durable. Still, it works well!