12" X 12" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES Fixed Blades with Damper Every grille has a front

Every grille has a front end frame that will overlap at the wall joint

Actual Filter Size – 19 3/4"w x 19 3/4" x 1"

+ Product Description This aluminum flex duct is intended to be used in heating

+ Product Details Size - 24"w X 2"h is the size for the duct opening measurement only

12" X 12" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES Fixed Blades with Damper Every grille has a front+ 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,