22" X 22" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES Compatible With Duct 8in Enhanced Filtration: Our filters are

Enhanced Filtration: Our filters are 25% thicker than competitors'

+ Product Details Size – 20"w X 18"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 26 5/8" width X 38 5/8" height -

+ Product Details Size – 20" x 22" or 22" x 20" is the size for the duct opening measurement only

22" X 22" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES Compatible With Duct 8in Enhanced Filtration: Our filters are+ Product Details Size 22"w X 22"h is the size for the duct opening measurement only, [Outer Dimensions: 24. 5"w X 24. 5"h] Actual Filter Size 21 3 4"w x 21 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,