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Amazon Sales Rank: #42818 in Home Improvement Brand: Lomanco Model: BIB-12 MILL Number of items: 1 Dimensions: 17.25" h x 20.00" w x 20.00" l, 6.50 pounds 12-inch whirlybird turbine ventilator ensures long life and no maintenance Reduces winter ice build-up and energy bills; withstands winds up to 147 MPH 21 air-foil curved vanes with rolled vane edges to deflect water Vari-pitch base adjusts to a 12/12 roof pitch Lifetime warranty

Featuring permanently lubricated upper and lower ball bearings, the Lomanco 12-inch whirlybird turbine ventilator ensures long life and no maintenance. It reduces winter ice build-up, as well as energy bills. Made with all-aluminum, rust-free construction, this internally braced turbine ventilator withstands winds up to 147 MPH. With a rigid, spider-type structure, it's riveted at every connection. The ventilator features 21 air-foil curved vanes with rolled vane edges to deflect water and a vari-pitch base that adjusts to a 12/12 roof pitch. Designed for residential use only, this turbine ventilator comes with a lifetime warranty.

Most helpful customer reviews 8 of 12 people found the following review helpful. Wrong item By Lizzy This is an excellent item and I have had them before so the actual product I give 5 stars too. However, I ordered this item specifically as it was a brown one to coordinate with my roof. I received a nasty looking galvanised one! Amazon did refund the money but not the shipping costs so all in all dissapointed. They should show images of what they are actually selling, not different items! 0 of 0 people found the following review helpful. nice looking product By K. switzer Ok - I got this whirlygig exhaust fan to help the draft in my "oversized" 12" chimney. OK, OK, I built my own stonehouse and put this monster stone chimney in it - after all bigger is better. BUT with my little 40,000 btu coal stove with a 6" stovepipe -- I just don't get the draft I need --- so hopefully this will help the draft on my chimney. Haven't got it installed yet -- but it whirls when I put it on my head and walked around my yard for a trial when I got it the other day. My dad drove in the driveway - and said "gee I got a 46 year old kid that wears an attic ventilator as a hat -- hey son can you go back inside the house before you embarass the family?" - true story, so I just had to tell it. LOL 0 of 1 people found the following review helpful. Works fine thought it was black By Johnny Was exactly what I was looking for and easily attached to my existing roof fixture but from picture and by desire I wanted black not silver See all 4 customer reviews...