Fire Damper – 1.5 hours Static FD-GB-20-A-AS-B-BS-AF-BF-R Frame depth of 130mm, temperature up to 165 F, with mounting Frame Know More FD-GB-20-A-AS-B-BS-R Know More FD-GB-21-A-AS-B-BS-R Know More FD-GB-22-A-B-AS-BS-R Know More FD-GSB-22-A-B-AS-BS-R Know More FD-SB-22-A-B-AS-BS-R Know More FD-SGB-22-A-B-AS-BS-R Know More
