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VEVOR 312 mm Shutter Exhaust Fan Wall Mounted 1250 CFM Automatic Louvers, Sturdy Steel Housing, Low Noise, AC Motor, Ventilation and Cooling for Attic, Garage, Barn, Greenhouse, Workshop, Silver

Silenzioso, robusto, unico difetto il cavo di alimentazione troppo corto

Cumpre o que promete, bom aspeto e funcionamento silencioso, pode não ter todo o poder de exaustão referenciado mas muito bom, preço qualidade bom.

Works as advertised. It’s kind funky when it’s to the set temperature of the temp goes up and down.

Very nicely built. Works flawlessly. The variable speed fan is good to have. I'm using it as a crawlspace exhaust ventilation fan, it's keeping moisture from building up under the house. We've had a lot of rain and high temperatures and terrible humidity this year. As can be seen from the photos I have it mounted in a wooden box frame. Fits the crawlspace opening easily and can be removed in winter and stored. Dried out the crawlspace very nicely better than it's been in years. I have it on a digital timer that runs for a few hours everyday. I disable the timer with a remote switch on rainy stormy days.