24" X 36" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES return grille + Product Details Size –

+ Product Details Size – Stick-on collar is 9" and it is compatible with duct 9"

L/H@0 FT: - 250

+ Product Details Perfect Fit & Easy Sizing - Designed for a 12" x 10" or 10" x 12" duct opening (measured at the opening)

compatible with ducts of the same size

24" X 36" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES return grille + Product Details Size –+ Product Details Size 24"w X 36"h is the size for the duct opening measurement only, [Outer Dimensions: 26. 5"w X 38. 5"h] Actual Filter Size 23 3 4"w x 35 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,