Painted grilles have a durable powder-coat finish , 75% average free area These have a 75% average free area and a durable white powder coat finish. The drop in depth is 3/4 and overall faceplate will be 1 13/16 larger than the... Individually-assembled strong steel bars. Return Air Grille with Filter | Imperial Powder Coated Air Grille Floor Registers & Grilles - Canadian Tire Floor Return Air Grille Extremely rigid with a smooth, firm surface Heavy Gauge Floor Return Air Grille, 10 x 20-Inch, White - Imperial RG0651 price comparison. Find great prices for Heavy Gauge Floor Return Air Grille, 10 x 20-Inch, White - Imperial RG0651 Individually-assembled strong steel bars Heavy gauge steel construction
