Reference: MTR-556-SP
Brand: Airmaster Fan Co.
Motor Kit For Single Panel Shutters 10"~26" SQ.
Airmaster Fan Model MTR-556-SP Motor Pack Single Panel Exhaust Shutter Motor Kit 115/230V 1-PH 60 HZ .11/Amp Closes Via Spring, Providing Closure Upon Power Failure Maximum Ambient Temperature 104°F