12" X 20" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES Height_32in font-size: 18px

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Multi-shutter damper with handle operator to adjust air flow

+ Product Details Size – 14" x 32" or 32" x 14" is the size for the duct opening measurement only

3-cone supply grille

12" X 20" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES Height_32in font-size: 18px+ Product Details Size 12"w X 20"h is the size for the duct opening measurement only, [Outer Dimensions: 14. 5"w X 22. 5"h] Actual Filter Size 11 3 4"w x 19 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,