12" X 18" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES Brown Actual Filter Size – 15

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

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

+ Product Details Size - 16"w X 34"h X 2"d (for duct opening measurement only)

+ Product Description Upgrade your HVAC system with our heavy-duty

12" X 18" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES Brown Actual Filter Size – 15+ Product Details Size 12"w X 18"h is the size for the duct opening measurement only, [Outer Dimensions: 14. 5"w X 20. 5"h] Actual Filter Size 11 3 4"w x 17 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,