Inflatable PFD Re-Arm Kit for MD2051, MD2053, MD2981, MD2983, MD2951, MD2953, MD3051, MD3052, MD3053, MD3054, MD3071, MD3075, MD3081, MD3082, MD3083, MD3084, MD3085, MD3087, MD2085 and MD2087, MD2085 & MD2087The 1F Automatic and 3F Manual Inflatable PFD Re-Arm Kit (Type E), contains everything necessary to re-arm your inflatable after deployment.The automatic inflator bobbin on all automatic PFDs should be replaced on a regular basis.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.Contains:One 33gram CO2 cylinderOne bobbin (use only with automatic inflatables)One re-arming instruction manualWARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.