30" X 24" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES w18h18 Carefully shrink wrapped with cardboard

Carefully shrink wrapped with cardboard backing to prevent damage in shipment

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

And Meets/Beats ASTM B280 Standard

+ Product Details Size – 8" x 12" or 12" x 8" is the size for the duct opening measurement only

30" X 24" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES w18h18 Carefully shrink wrapped with cardboard+ Product Details Size 30"w X 24"h is the size for the duct opening measurement only, [Outer Dimensions: 32. 5"w X 26. 5"h] Actual Filter Size 29 3 4"w x 23 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,