4"W X 18"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 5.75"W X 19.75"H] Fixed Blades with Damper + Product Details Size - 4 X 12 Is CRFG2028 Width_14in
Yard notes & kiln story
Description
4"W X 18"H [Duct Opening] Steel Air Vent Return Grille HVAC VENT DUCT COVER DIFFUSER [Outer Dimensions: 5.75"W X 19.75"H] Fixed Blades with Damper + Product Details Size 4 X 12 Is CRFG2028 Width_14in + Product Details Size 12"w X 10"h is the size for the duct opening measurement only Quality Packaging Carefully Shrink Wrapped With Cardboard Backing To Prevent Damage In Shipment