Fits 12x8 Duct Opening Stamped Steel Return Air Grille Vent Cover Grille for Sidewall and Ceiling in White Surface Dimensions: 13.75"W X 9.75"H (12" W x 8" H Duct Opening) This register fits in a

This register fits in a duct opening of 14”wide and 8”high

If your duct opening size is 10” x 4”

The Listed size 14"x 8" is for inside duct opening measurement

Individually shrink wrapped with card board pad in the back for protection

designed for consistent airflow

Fits 12x8 Duct Opening Stamped Steel Return Air Grille Vent Cover Grille for Sidewall and Ceiling in White Surface Dimensions: 13.75"W X 9.75"H (12" W x 8" H Duct Opening) This register fits in aThe Listed size 12"x8" is for inside duct opening measurement, actual outside dimension is 13. 75"x9. 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