12" X 12" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES White + Product Spec Sheet Aluminum

+ Product Spec Sheet Aluminum Return Grille Spec Sheet

the actual front end outer dimensions are 10" in diameter

+ Product Details High Quality - Aluminum housing on the outside and on the inside for the best insulation value

that will overlap at wall joint

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