"The Onyx M24 24-Gram Manual Inflatable Life Vest Rearming Kit replaces the inflation kit in the Bass Pro Shops M24 Manual Inflatable Life Vests, Bass Pro Shops Camo Manual Inflatable Life Vests, and Onyx manual inflatable life vests. Kit includes one 24-gram CO2 1/2"" cylinder with 1/2"" thread, green indicator tab, and re-arming instructions. Keeps your life vest performing like new Includes one 24-gram CO2 cartridge with 1/2"" thread, green indicator tab and rearming instructions OEM quality Replacement rearming kit for Bass Pro Shops M24 Manual inflatable life vests"