LiftMaster 16-5L300 cogged belts for commercial garage door operators from Garage Door Supply Company are replacement parts for three models of LiftMaster commercial garage door openers. This 16-5L300 cogged belt is compatible with the LiftMaster T industrial-duty trolley operator for standard lift section doors. It's compatible with LiftMaster APT (Apartment Trolley) commercial high-cycle apartment house garage door operators. This replacement cogged belt is also compatible with LiftMaster SD (Sliding Door) commercial door operators. Product Highlights:
