20" X 20" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES Insulated Line Set These grilles and registers give

These grilles and registers give you an extra measure of quality that are visible to your family members and house guests

+ Product Details Size - 10"w X 36"h is the size for the duct opening measurement only

Our grilles feature a durable powder-coat finish

+ Product Details Size - 12"w X 28"h is the size for the duct opening measurement only

20" X 20" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES Insulated Line Set These grilles and registers give+ Product Details Size 20"w X 20"h is the size for the duct opening measurement only, [Outer Dimensions: 22. 5"w X 22. 5"h] Actual Filter Size 19 3 4"w x 19 3 4" x 1" High Quality High quality rust free, strong aluminum construction with smooth finished edges for easy and safe use; Filter grille features a user friendly plastic latch that requires no screwdriver for opening. Installation Location Sidewall and ceiling. Design Heavier gauge than needed,