Round Butterfly Vent, Polished Aluminum, 7 3/4" Diameter
This butterfly vent is commonly used to increase air circulation in all varieties of trailers. This vent is made of polished aluminum, much better than the old chrome product, because they will never rust. Can be adjusted for a small amount of air, or fully open. It features two triangular holes, 3 1/2" X 2 1/2' X 21/2". Operated from the exterior of the trailer. Installs over a 5 3/4" to 6" diameter hole in the trailer wall & has 4 mounting holes, exactly 6 1/2" on center across from each other.
Use 4 aluminum pop rivets or #8 stainless steel sheet metal screws.
*matching round closed-cell gasket available, pre-drilled with matching holes. Better than using weather-stripping or caulk.
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