Fits 24x6 Duct Opening Stamped Steel Return Air Grille Vent Cover Grille for Sidewall and Ceiling in White Surface Dimensions: 25.75"W X 7.75"H (24" W x 6" H Duct Opening) This product has listed size

This product has listed size 12“w X 8”h is for duct opening measurement only

This great product also comes with 10-year warranty for quality related issues because we are so confident about our product quality

Individually packed with cardboard box for ultra protection

This added protection extends the lifespan of the connector while maintaining dependable performance in demanding environments

Easy adjust air flow control with central lever

Fits 24x6 Duct Opening Stamped Steel Return Air Grille Vent Cover Grille for Sidewall and Ceiling in White Surface Dimensions: 25.75"W X 7.75"H (24" W x 6" H Duct Opening) This product has listed sizeThe Listed size 24"x6" is for inside duct opening measurement, actual outside dimension is 25. 75"x7. 75" Stamped Face Steel Construction with 1 2" fin spacing for high air flow applications. Screws are included for easy installation White Powder coating with matte finish Individually packed with cardboard box for ultra protection