10" X 20" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES Compatible With Duct 10in or diffusers in various settings

or diffusers in various settings like homes

Energy Efficient – Air-tight inner core decreases the pressure loss and provides a more hygienic environment - high energy efficient / No fiberglass erosion into air stream

please note that the total outer dimensions of the grille measure 12" in diameter

woodworking

10" X 20" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES Compatible With Duct 10in or diffusers in various settings+ Product Details Size 10"w X 20"h is the size for the duct opening measurement only, [Outer Dimensions: 12. 5"w X 22. 5"h] Actual Filter Size 9 3 4"w x 21 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,