14" X 30" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES Powder-Coated + Product Details Size -

+ Product Details Size - 20"w X 34"h X 2"d (for duct opening measurement only)

this fitting is perfectly compatible with 6-inch ducts

Actual Filter Size – 15 3/4"w x 27 3/4" x 1"

+ Product Details Size – Stick-on collar is 18" and it is compatible with duct 18"

14" X 30" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES Powder-Coated + Product Details Size -+ Product Details Size 14"w X 30"h is the size for the duct opening measurement only, [Outer Dimensions: 16. 5"w X 32. 5"h] Actual Filter Size 13 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,