24" X 48" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES w36h36 4x 48" Length Duct

4x 48" Length Duct

Actual Front End Outer Dimensions Are 14" Width X 8" Height - SEE IN DESCRIPTION HOW TO MEASURE A GRILLE

+ Product Details Perfect Fit & Easy Sizing - Designed for a 36" x 26" OR 26" x 36" duct opening (measured at the opening)

actual front end outer dimensions are approximately 12 5/8" width X 14 5/8" height

24" X 48" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES w36h36 4x 48" Length Duct+ Product Details Size 24"w X 48"h is the size for the duct opening measurement only, [Outer Dimensions: 26. 5"w X 50. 5"h] Actual Filter Size 23 3 4"w x 47 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,