Tandefio 2 Pcs Stainless Steel 201 Non Power Roof Ventilator 4 Inch Wind Turbines Air Vent Roof Ventilating Fan for Houses Factory Attic Vent Cap (110mm)

really small but they work pretty good. should of bought the bigger ones. we have two installed and the solar fans we put in l, lm actually work better in our pump house. we also have one in our chicken coup

They're super flimsy and mine were damaged upon return. I could have spent some time bending them back but instead went another route with an attic vent.

Quality material

Looks like it's well made good set of enclosed bearings

Came super fast. We used it for a shipping container storage unit. The edges are very sharp, so be careful, but it worked perfectly to get some venting in and cool down the storage.

Installed this on a 10ftx10ft shed with a screened vent on the opposite side. This thing works but is too small. Will probably work on Snoopy' s dog house in a 20mph wind.

I bought 2 of these turbines for my back porch. Easy to install, they perform great, as advertised. I highly recommend this brand by this seller.

I'm choosing to only give 3 stars due to the fact that the turbines were very poorly packaged resulting in one of them being bent and unable to spin. There was bubble wrap on only one side of the box therefore only protection one. Since they are made of thin pliable metal I was able to bend it back into shape and make it usable. As for the product itself, they are the correct size and look well made. They should serve their purpose very well.

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