24"W X 4"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 25.75"W X 5.75"H] Filter Grille + Product Details Size - Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

+ Product Details Size - 16"w X 36"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 35

actual front end outer dimensions are 11

Pressure Rating: 2100 to 7000 PSI

5" - SEE BELOW IN DESCRIPTION HOW TO MEASURE A GRILLE

24"W X 4"H [Duct Opening] Steel Air Vent Return Grille HVAC VENT DUCT COVER DIFFUSER [Outer Dimensions: 25.75"W X 5.75"H] Filter Grille + Product Details Size Compatible With Duct 7in Applications This sheet metal DDAG A 1212 + Product Details Size 16"w X 36"h is the size for the duct opening measurement only actual front end outer dimensions are approximately 35