Description
Actual Filter Size – 29 3/4"w x 11 3/4" x 1"
angle the louvers up for efficient cooling
+ Product Details Size - 18"w X 12"h is the size for the duct opening measurement only
The first number in a grille size represents the width
All steel wire is applied between PET surfaces to prevent corrosion (oxidization)
20" X 20" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES Fixed Blades Actual Filter Size – 29+ Product Details Size 20"w X 20"h is the size for the duct opening measurement only, [Outer Dimensions: 22. 5"w X 22. 5"h] Actual Filter Size 19 3 4"w x 19 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,