Re-Arm Kit E 33g Auto & Manual with BayonetThe 1F Automatic and 3F Manual Inflatable PFD Re-Arm Kit 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.  Note: This re-arm kit replaces discontinued re-arm kits MA7202 and MA7203 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.Re-Arm Kit Contains:One 33gram CO2 cylinder One bobbin (use only with automatic inflatables) One re-arming instruction manual