"This Schaefer Shutter-Style Exhaust Fan is a low-maintenance solution for thin-walled buildings requiring a low-profile fan. Great for greenhouses and more. U.S.A. Dimensions L x W x H in. 12 3/8 x 22 3/4 x 22 3/4, Amps 3.8/1.9, Air Delivery CFM 3,122, Speeds qty. 1, Fan Diameter in. 20, HP 1/3, Dimensions L x H in. 12 3/8 x 22 3/4, Needs to be Hardwired Yes, Volts 115/230, Speed RPM 1,725, Depth in. 12 3/8. Ideal for thin-walled buildings, including greenhouses and more Low-maintenance solution with aluminum blade, PVC shutters and powder-coated guards Heavy-duty totally enclosed motor Requires hardwired electrical connection"
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