ActronAir Fan Blower 9x7 AM RM 1/2HP ECM ELGEE is the AM/RM mounting variant of the 9x7 ELGEE blower for AIRES and Advance R32 indoor units, where the AM/RM designation identifies the specific motor bracket and return module configuration used in these systems. The ELGEE glass-polypropylene construction resists condensate and humid air exposure better than metallic housings, improving long-term reliability in the high-humidity indoor unit environment. Isolate power at mains before replacement -- live work on fan assemblies is dangerous and must only be performed by a qualified technician.