RV and Home Brown Stamped Steel Floor Diffuser/Register with Damper 8" X 4" (Duct Opening Size) Outside Dimension 9.6"x 5.6" actual outside dimension is 22

actual outside dimension is 22

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

Distance between the centers of two screws is 13"

One Way Air Flow deflection

White Powder coating with matte finish

RV and Home Brown Stamped Steel Floor Diffuser/Register with Damper 8" X 4" (Duct Opening Size) Outside Dimension 9.6"x 5.6" actual outside dimension is 22The Listed size 8"x 4" is for inside duct opening measurement, actual outside dimension is 9. 6"x 5. 6" 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