40"W X 20"H [Duct Opening] ALUMINUM RETURN GRILLE - Easy Air Flow - Linear Bar Grilles [Outer Dimensions: 41.875"W X 21.875"H] Compatible with Duct 6" + Product Description Introducing the

+ Product Description Introducing the 3-coned supply grille for a T-bar lay-in

+ Product Details Size – 34"w X 8"h is the size for the duct opening measurement only

Actual Filter Size – 17 3/4"w x 7 3/4" x 1"

actual front end outer dimensions are approximately 20 5/8" width X 34 5/8" height

+ Product Details Size – 16"w X 6"h is the size for the duct opening measurement only

40"W X 20"H [Duct Opening] ALUMINUM RETURN GRILLE - Easy Air Flow - Linear Bar Grilles [Outer Dimensions: 41.875"W X 21.875"H] Compatible with Duct 6" + Product Description Introducing the+ Product Details Size 40"w X 20"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 41. 875" width X 21. 875" height. High Quality High quality aluminum with counter sunk screw holes (screws included) and no sharp edges. Design Unrestricted airflow For Your HVAC system noise free components no vibrating louvers etc. Powder Coat Finish Smooth, shiny, scratch resistant, beautiful. Looks like it was