Hyperion Float Tube Set (2pcs) +0.1Kg 5.5cm x 5cm each Float Tube

(Shown with I-Dive arm which is not included) High-Density Foam Buoyancy Tubes Outer diameter 5.5cm Inner diameter 2.5cm Length 5cm Buoyancy +0.1kg single float and +0.2kg double float Fits any arm system that has a 25mm diameter like the new style Ikelite arms, I-Dive arms and many others