Whole House Fan Shutter - 24" - Interior Use

Whole House Fan Shutter - 24" - Interior Use

Injection molded frame with smooth aluminum louvers that automatically open when fan turns on, and close when fan turns off to keep out air, insects, and dust. Interior Use.

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• Balanced shutters for complete automatic service-free operation
• Installs centered on joist with 18" or 24" centers with 2 cut openings, 1 on each side of center joist per shutter model.
• Fits Fan # WHFS24M - 24"
• Opening Size Required: 27.25" x 28.25"
• White Enamel Finish - Interior use.

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