Ce Smoke Detector, Smoke Alarm Detector This product named photoelectric smoke detector detects the smoke by a couple of infrared diodes. The principle of detecting is granule in the smoke can reflect infrare...
Pendent Sprinkler 1/2 inch 57 degree standard response k5.6 pendent fire sprinkler1. Brief introduction:Glass bulb fire sprinklers, which is the key part of automatic sprinkler ...
2017-09-30
Brass Pendent Fire Sprinkler Head 1/2" 68 degree K5.6 quick response upright fire sprinkler heads1. Brief introduction:Glass bulb fire sprinklers, which is the key p...