GPFU

AcronymDefinition
GPFUGas Particulate Filter Unit
References in periodicals archive ?
In 1959, after logistics problems were identified in getting the M20 installation kit and the M8A1 gas-particulate filter unit (GPFU) to the appropriate locations for installation, the two were combined to become the M8A2 filter unit--gas-particulate, tank, three-man, 12 cubic feet per minute.