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American Louver Stratus Plastic Return Filter Grille, 20" Square Duct, T-grid, White - Fire Rated Version STR-ERFG-W-FR 
The all plastic Square Duct Ready Stratus eggcrate return filter grille solves many problems associated with metal grilles. It will never rust, scratches don't show, it will never need repainting, and is indistinguishable from metal when installed. The hinged grille face drops down to quickly change the filter or to remove for cleaning. It has a consistent smooth finish, resists sweating, anti-static, and is mildew resistant. Fits 20" x 20" square duct. White, also comes in black. 
Features<UL><li>Meets UL 2043</li><li>Lay-in style</li><li>Made of engineered polymers, stainless steel screws</li><li>Takes 20" x20"x1" filter</li><li>50% lighter than metal</li><li>Extra tall neck – 2 3/8"</li><li>Commercial dishwasher safe</li><li>Made in the U.S.A.</li></ul>

American Louver Fire Rated UL2043 Filtered Return Grille, 20&quot; Square Duct,White, STR-ERFG-W-FR

fire-rated-ul2043-filtered-return-grille-20-square-ductwhite-str-erfg-w-fr

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