30" X 36" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLE 6in diameter parentElement

parentElement

and ASTM G 21

+ Product Details Size - 16"w X 32"h X 2"d (for duct opening measurement only)

75"H – fits a 18" X 6" duct opening

actual front end outer dimensions are approximately 16 5/8" width X 27 5/8" height

30" X 36" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLE 6in diameter parentElement+ Product Details Size 30"w X 36"h is the size for the duct opening measurement only, [Outer Dimensions: 32. 5"w X 38. 5"h] Actual Filter Size 29 3 4"w x 35 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,