FCI MS-2 Category : FCI This is an earlier generation MS-2. The metal piece on the inside which holds the handle open once it has been pulled is different than the same piece on newer generations. Brand FCIModel MS-2Manufacturer FCIType Pull Station
RSG RMS-1T Category : RSGEither this is an early generation RSG T-Bar or some unique variant of the more common RSG RJRMS-1T-KL.