Mustang Survival Inflatable Life Vest PFD Re-Arm KitThe M.I.T. 100 Inflatable Re-Arm Kit contains everything necessary to re-arm your Mustang Survival M.I.T. 100 manual and automatic inflatable PFDs after deployment. The automatic inflator bobbin on all automatic PFDs should be replaced on a regular basis.For model numbers: MD2014, MD2015, MD2016, MD2017.Use only Mustang Survival re-arm kits. Use of other re-arm kits may result in improper operation or failure to operate and will void the product's warranty.Features: One 24 gram CO2 cylinder and bayonet assembly; One bobbin; One re-arming instruction manual;