22" X 22" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES w12h12 + Product Details Size –

+ Product Details Size – 16"w X 36"h is the size for the duct opening measurement only

+ Product Details Size – Stick-on collar is 14" and it is compatible with duct 14"

Screws Included - Easy Unrestricted Air Flow For Your HVAC System

+ Product Details Size – 4"w X 14"h or 14" x 4" is the size for the duct opening measurement only

offering a smooth and efficient airflow connection

22" X 22" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES w12h12 + Product Details Size –+ Product Details Size 22"w X 22"h is the size for the duct opening measurement only, [Outer Dimensions: 24. 5"w X 24. 5"h] Actual Filter Size 21 3 4"w x 21 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,