20" X 36" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES Ducting Components Optional Butterfly Damper Available At

Optional Butterfly Damper Available At Asin: B007CNEL1W

and centralized air ducted units

forged with 50 CR-V Chrome Vanadium Steel for superior strength Cutting Edges and Optimal Durability

ensuring efficient airflow distribution throughout your home or office

+ Product Details Perfect Fit & Easy Sizing - Designed for a 26" x 12" OR 12" x 26" duct opening (measured at the opening)

20" X 36" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES Ducting Components Optional Butterfly Damper Available At+ Product Details Size 20"w X 36"h is the size for the duct opening measurement only, [Outer Dimensions: 22. 5"w X 38. 5"h] Actual Filter Size 19 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,