Profile: American Safe Room, Inc. is engaged in systems design to create protected space for collective protection from the spectrum of airborne toxins. Our products include ASR-48-NBC, ASR-100N-NBC, ASR-120-IDF, ASR-800I, ASR-48-NBC-A and ASR-48-NBC-AE. The ARS-50 automatic double acting blast valve automatically closes with initial positive pressure wave from an explosion and automatically closes a second time when outside air pressure goes negative in relationship to internal shelter pressure. The ASR-100N-NBC safe cell is a portable, positive pressure and emergency air filtration system designed to overpressure a safe room.