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Reference: EASR-MF-44
Brand: Airmaster Fan Co.
Exhaust Shutters For 42" Propeller Fans
Airmaster Fan Model EASR-MF-44 Formally WR42E Aluminum Shutters For Exhaust Fans With 42" Propellers EDP 22978 or EDP 22825 Inside: 44" SQ. Outside: 47" SQ. Required Opening: 44-3/4" Double Panel