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The Rectorseal 3CGDUCB Cover Guard fits a single zone (3? or 4.5" interior width) and expands in depth to accommodate different line set sizes. 4-stage adjustability allows the duct to expand from 2 to 4 inches deep. Components are UV stabilized and tested to temperatures from -4 degrees F to 140 degrees F.
The Cover Guard features a quick snap cover, easy lock adjustable fittings, and cam screws constructed of hardened plastic that will never rust.
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