40"W X 8"H [Duct Opening] Linear Aluminum Clip-On Bar Return Air Grille [Outer Dimensions: 41.25"W x 9.25"H] Floor Grille + Product Details Size – Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

+ Product Details Size – 20" x 30" or 30" x 20" is the size for the duct opening measurement only

+ Product Details Size - 36"w X 32"h is the size for the duct opening measurement only

The blade is also high-grade stainless steel

+ Product Details Durable Construction – Made from galvanized steel for long-lasting use and strength in HVAC applications

actual front end outer dimensions are approximately 16 5/8" width X 8 5/8" height

40"W X 8"H [Duct Opening] Linear Aluminum Clip On Bar Return Air Grille [Outer Dimensions: 41.25"W x 9.25"H] Floor Grille + Product Details Size – Compatible With Duct 7in Applications This sheet metal DDAG A 1212 + Product Details Size – 20" x 30" or 30" x 20" is the size for the duct opening measurement only + Product Details Size 36"w X 32"h is the size for the duct opening measurement only