12" X 24" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES Merv 8 Low Performance: Clean or replace

Low Performance: Clean or replace the filter if applicable

Applications – This oval end boot provides a transition from a round pipe or insulated flex duct to the oval pipe

actual front end outer dimensions are 17" width X 17" height

+ Product Details Perfect Fit & Easy Sizing - Designed for a 8" x 36" or 36" x 8" duct opening (measured at the opening)

85" width X 21

12" X 24" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES Merv 8 Low Performance: Clean or replace+ Product Details Size 12"w X 24"h is the size for the duct opening measurement only, [Outer Dimensions: 14. 5"w X 26. 5"h] Actual Filter Size 11 3 4"w x 23 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,