The Mustang Survival Inflatable Life Jacket Re-Arm Kit F contains everything necessary to re-arm your Mustang Survival Auto Hydrostatic inflatable PFD after deployment. Regular maintenance can reduce the possibility of inadvertent inflation.Note: Compatible with inflatable PFD model numbers: MD1166, MD3000, MD3001, MD3002, MD3003, MD3004, MD3017, MD3019, MD3020, MD3010, MD3015, MD3021, MD3025, MD3031, MD3032, and MD3091.FeaturesOne 33 gram CO2 cylinder One green inflator pin One automatic inflator bobbin (use only with automatic inflatable PFDs only)