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Supply (Intake) Wall Shutter - The Model CWV is a rear flanged gravity supply (intake) wall shutter. The frame and blades are mill finish aluminum with a galvanized reinforcement strip on each blade for added strength and counter balancing efficiency. The blades have a felt seal on the leading edge for quite closing and better protection from the weather. Ideal for use with belt-driven centrifugal wall ventilators. Recommended for vertical mount supply (intake) only. The blades will pivot at the bottom and fall with gravity to open. Spring-assist to close.<br><br><b>MADE IN THE USA</b>

Aluminum Supply (Intake) Wall Shutter 20&quot; - CWV-20x20

aluminum-supply-intake-wall-shutter-20-cwv-20x20

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