30" X 36" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLE Oval to Round 90-Degree Boot actual front end outer dimensions

actual front end outer dimensions are 6" diameter

this cutter ensures smooth

with actual outer dimensions of 26

flush placement on your wall with a 3/8 inch space between louvers

30" X 36" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLE Oval to Round 90-Degree Boot actual front end outer dimensions+ 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,