The OR-44 Extension Unit from ORCA can be used to extend the length of the OR-43 boom pole protector. It has an inflatable valve & open end waterproof zipper. It is super light-weight, floats in water, and is 100% waterproof.
Extension Dimensions – L: 25cm/9.84″ D: 6.5cm/2.55″
Weight – 0.06kg / 0.13LB