Trident Deluxe Save-A-Dive O-Ring Kit for Scuba Diving Tank Valves, Hoses, Regulators, Cameras etc Dive Diver Trident Standard Save A Dive 20 Piece Viton O-Ring Kit Contains 20 various pieces in a plastic case Great for your tank valve, hp and lp air hoses Works well for cameras, pressure gauges, dive lights,