20" X 36" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES Height_26in + Product Details Size – Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

+ Product Details Size – 34"w X 30"h is the size for the duct opening measurement only

Pre-flared ends with nuts are for simple and easy installation

But they are also the most visible representation of you air system

Actual Filter Size – 15 3/4"w x 25 3/4" x 1"

+ Product Description Introducing our 18" x 30" or 30" x 18 Floor Grille - a reliable and durable air grill designed for exceptional performance and built to last

20" X 36" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER EASY AIR FLOW LINEAR BAR GRILLES Height_26in + Product Details Size – Compatible With Duct 7in Applications This sheet metal DDAG A 1212 + Product Details Size – 34"w X 30"h is the size for the duct opening measurement only Pre flared ends with nuts are for simple and easy installation