36" X 18" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES Compatible With Duct 5in + Product Details Size -

+ Product Details Size - 12"w X 18"h X 2"d (for duct opening measurement only)

Actual Filter Size – 17 3/4"w x 19 3/4" x 1"

compatible with duct 5" | 5 PACK of 5' pipes – 25-foot length when connected – 30 gauge thick & made of thick & durable galvanized sheet metal

+ Product Details Size - 22"w X 12"h X 2"d (for duct opening measurement only)

36" X 18" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES Compatible With Duct 5in + Product Details Size -+ Product Details Size 36"w X 18"h is the size for the duct opening measurement only, [Outer Dimensions: 38. 5"w X 20. 5"h] Actual Filter Size 35 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,