OMS Unbalanced Piston DIN First Stage

The none-balanced First Stage Regulator has been the workhorse of the industry for years. Why? Its rugged, simplistic, dependable, low cost design lends itself for use as a primary, recreational, technical or DECO regulator. First-Stage is made of durable chrome plated brass and stainless Steel, has 3 LP and 1 HP ports. This Nitrox first Stage regulator can be Oxygen cleaned and in fact was utilized by the National Park Service as a primary first stage SCUBA regulator in its 190+ foot dive to the B-29 bomber in Lake Mead!