High-impact polystyrene construction. Rustproof and scratch-resistant. Use as conventional register when closed. Use as air deflector when open. Knockout at each end for ceiling installation.High-impact polystyrene construction. Rustproof and scratch-resistant. Use as conventional register when closed. Use as air deflector when open. Knockout at each end for ceiling installation. See More
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High-impact polystyrene construction. Rustproof and scratch-resistant. Use as conventional register when closed. Use as air deflector when open. Knockout at each end for ceiling installation.
