Need to reduce the thread size of a 9/16" female threaded scuba regulator low pressure hose to 3/8" threaded male? This adapter converts standard low pressure regulator hose so that both ends are male threads adapter.

It is made from durable corrosion resistant black finish chrome plated brass and comes equipped with Viton O-Ring; factory cleaned so it is ready for NITROX . Designed for low pressure only below 200 psi (13 8 bars), changes 9/16-18 female to 3/8-24 male adapter.