The Mustang Survival MA2014 M.I.T. 100 Inflatable Life Vest Rearming Kit contains everything necessary to re-arm your Mustang Survival M.I.T. 100 manual and automatic inflatable life vest after deployment. This kit includes one 24g CO2 cylinder and bayonet assembly, 1 water-sensitive bobbin, and instructions. The automatic inflator bobbin on all automatic PFDs should be replaced on a regular basis. This cylinder fits Mustang Survival M.I.T. 100 Inflatable Life Vests with model numbers MD2014, MD2015, MD2016, and MD2017.Manufacturer model #: MA2014. One 24g CO2 cartridge and bayonet assembly 1 water-sensitive bobbin Trustworthy Mustang Survival quality