Description
LiftMaster 400 Chip For Fire Door Operator LIF K79 13493A 400 TR A01 IN HySecurity Lights LED 12 ft FAA 63000131 liftmaster bearing Model:Uninstalled 3 7 16 diameter HySecurity Lights LED 12 ft The LiftMaster LM21XP Release Device is a UL ULC listed normally energized fail safe device designed for use on rolling doors