12" X 30" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES w6h6 Actual Front End Outer Dimensions

Actual Front End Outer Dimensions Are 14" Diameter

+ Product Details Size - 36"w X 36"h X 2"d (for duct opening measurement only)

+ Product Details Size – 22"w X 32"h is the size for the duct opening measurement only

+ Product Details Size - 24"w X 24"h X 2"d (for duct opening measurement only)

These Supply Diffusers with integral round necks are recommended for heating

12" X 30" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES w6h6 Actual Front End Outer Dimensions+ Product Details Size 12"w X 30"h is the size for the duct opening measurement only, [Outer Dimensions: 14. 5"w X 32. 5"h] Actual Filter Size 11 3 4"w x 29 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,