Achtek AIR RETURN 10"x18" Duct Opening (Overall Size 12"x20") | Heavy Cast Aluminum Air Grille HVAC Duct || Powder Coated

SIZE: Fits standard duct opening of 10"x18" (Overall Face Plate size 12"x20") METAL / BEVELED EDGES: Solid Sand Cast Aluminum with heavy gauge face plate thickness approx. 1/4" (6.35 mm) built for durability. Grille has beveled edges MATTE POWDER COATED: Fine grain powder coated finish is heat cured for durability with ease to clean and maintain. White vent cover may be re-painted INSTALLATION / OVERALL BACK FRAME: Provided With 1/4" overall back frame. For floor gravity drop installation. For Wall /Ceiling (counter sunk screw holes with matching screws provided) NO PLASTIC PARTS /RECYCLABLE /SUSTAINABLE MATERIAL and PATENT DESIGN: Handcrafted using cost effective recyclable and sustainable Aluminum metal. Industrial Design Patent 196854