RV and Home Brown Stamped Steel Floor Diffuser/Register with Damper 14" X 6" (Duct Opening Size) Outside Dimension 15.25"x 7.25" Width vs Height The first

Width vs Height The first measurement in a return grille size is the width (horizontal measurement)

Versatile Application: Designed for ceiling or sidewall installation

The Listed size 12"x 8" is for inside duct opening measurement (the duct hole)

actual outside dimension is 12''X 12"

actual outside dimension is 13

RV and Home Brown Stamped Steel Floor Diffuser/Register with Damper 14" X 6" (Duct Opening Size) Outside Dimension 15.25"x 7.25" Width vs Height The firstThe Listed size 14"x 6" is for inside duct opening measurement, actual outside dimension is 15. 25"x 7. 25" Butterfly damper with easy foot operated control dial for desired air flow Two sunk screw holes located at both sides of the register for ceiling and wall mounting with included screws Brown powder coating with matte finish Individually shrink wrapped with card board pad in the back for extra protection