Onyx M-16 Inflatable Life Vest Rearming Kit The Onyx M-16 Rearming Kit is designed for use with Inflatable Life vests that use a 16 gram CO2 cylinder with a 38 thread. The included indicator tab is green. Item contains a CO2 cylinder and may not be available to ship to Alaska or Hawaii California Residents WARNING Cancer and Reproductive Harm - P65Warnings.ca.gov Other Details Google Product Type Life Jackets Product MPN 137000-701-999-16 Product UPC 043311054126