The Cetacea O-Ring Kit
comes in two sizes, the 10 piece or the 40 piece. The Cetacea O-Ring Kits
include the most popular sizes for the tanks, Regulators and gauges. They contain most of what you could need while out on a boat in a pinch.
10 Piece Cetacea O-ring Kit
40 Piece Cetacea O-ring Kit Contains:
Diving Nitrox or anything that requires a higher level of Oxygen? You may need the Viton O2 Compatible O-rings instead.