Handua 20W x 30H [Duct Opening Size] Steel Return Air Grille | Vent Cover Grill for Sidewall and Ceiling, White | Outer Dimensions: 21.75W x

Return Air Grille for 20 inchx30 inch Duct Opening, White, Steel 1/3 inchspaced fins set at 50 degrees. Primary use: Side wall and ceiling. Screws are included with the system, standard. All-steel construction. Durable white powder coated. Standard color is white (Ral9016). How To Measure A Grille – Always measure the size of the duct opening (the ‘hole’ in the duct/wall). Do not measure the entire size of the register itself. Size of the grille is; listed size +1.75-inch. – Understanding Width & Height – In a grille size, the first number always represents the width and the second one is the height. As an Example: If the hole on your wall/duct is 20 inch wide by 30 inch tall, order 20×30 option. If the hole is 30 inch wide by 20 inch tall, order 30×20 option. – For this particular product you’re viewing at the moment, the hole on your wall/duct opening should be 20 inch – Wx30 inch – H.Click the ‘Add To Cart’ button now to order your Return Air Filter Grille!