30" X 10" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES 4in diameter actual front end outer dimensions

actual front end outer dimensions are approximately 32 5/8" width X 12 5/8" height -

And is classified as Class 1 Fire Proof - B1

Suitable for both commercial and residential settings

transparent design and durable construction

30" X 10" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES 4in diameter actual front end outer dimensions+ Product Details Size 30"w X 10"h is the size for the duct opening measurement only, [Outer Dimensions: 32. 5"w X 12. 5"h] Actual Filter Size 29 3 4"w x 9 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,