24" X 12" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES w25h25 excluding the old vent cover

excluding the old vent cover

1/2" - 3119 PSI

addEventListener('click'

then you'll need a 14-inch round vent

+ Product Details Size - 4"w X 12"h is the size for the duct opening measurement only

24" X 12" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES w25h25 excluding the old vent cover+ Product Details Size 24"w X 12"h is the size for the duct opening measurement only, [Outer Dimensions: 26. 5"w X 14. 5"h] Actual Filter Size 23 3 4"w x 11 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,