20" X 14" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES w4h4 + Product Details Perfect Fit

+ Product Details Perfect Fit & Easy Sizing - Designed for a 34" x 14" Or 14" x 34" duct opening (measured at the opening)

+ Product Details Size – Stick-on collar is 6" and it is compatible with duct 6"

actual front end outer dimensions are approximately 36 5/8" width X 8 5/8" height

+ Product Details Size - 22"w X 18"h X 2"d (for duct opening measurement only)

20" X 14" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES w4h4 + Product Details Perfect Fit+ Product Details Size 20"w X 14"h is the size for the duct opening measurement only, [Outer Dimensions: 22. 5"w X 16. 5"h] Actual Filter Size 19 3 4"w x 13 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,