This model is a rear flanged exhaust shutter for areas where corrosion may be a problem | The frame is mill finish aluminum | The blades have a white enamel finish and a galvanized reinforcement strip across the top of each blade for added strength and counter balancing efficiency | The blades have a felt seal on the leading edge for quiet closing and better protection from the weather | Ideal for use with direct-drive or belt-driven exhaust fans
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Item# : SPM18296867004
Model # : RNAB08PG54F7L