iPower 20.6 X 20.8 Inch Shutter Exhaust Fan Aluminum, High Speed 1190 RPM, 3368 CFM, 1-Pack, Silver

extrae una cantidad de calor de mi cocina MUY importante. Y a pesar de que es vapor de aceite y ha estado REALMENTE sucio, sigue funcionando. Completamente recomendable.

Great design

Works wonderful in our barn. It is very powerful! You can feel it move the air. It is also quiet.

Bought 4 fans, so far they work great. Been installed for a few months.

Originally bought a 14" exhaust fan. Simply was not big enough for 10 x 12 harbor freight greenhouse. I bought the 20.6 x 20.8 inch shutter exhaust fan not certain it would fit. It just fit between the aluminum framing on our 10 x 12 harbor freight greenhouse. I actually like how it fits. I used some left over 1" aluminum angle stock and stainless-steel bolts to attach it. Also used silicon to seal around it. Very sturdy installation. Greenhouse is reinforced with 2x4's and 4x4's. Not sure I would install this fan without some type of reinforcement. With 50% shade cloth, this fan was able to keep the greenhouse below 100 deg F during hot days of Michigan summer. We bought the temperature controller separate. As other reviewers have indicated, the plastic coating on the louvers is pretty much permanent. I would not recommend attempting to remove it. The coating does not affect function and the blue color doesn't bother me a bit.