10 Bar's Large High Density Foam Buoyancy Tube fits on your underwater photography arms to provide a more neutrally buoyant system.
High Density Foam Buoyancy Tubes
Outer diameter 9.7cm - Inner diameter 2.5cm
Length 5cm
Buoyancy +0.4kg single float +0.8kg double float
TWO floats to each pack
For any arm system with 25mm diameter such as Ikelite arms, our UN arms and many others
*arm not included - just for illustration of setup