22" X 22" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES Compatible With Duct 8in + Product Details Size –

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

helping to maintain consistent temperature settings

actual front end outer dimensions are 25" Width X 13" Height

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

+ Product Details Size - 30"w X 14"h X 2"d (for duct opening measurement only)

22" X 22" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES Compatible With Duct 8in + Product Details Size –+ 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,