RV and Home White Stamped Steel Floor Diffuser/Register with Damper 8" X 4" (Duct Opening Size) Outside Dimension 9.6"x 5.6" Effortless Airflow Control: Our functional

Effortless Airflow Control: Our functional floor register is equipped with an easy-to-use airflow control dial

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

9" and two screws are included

Two screw holes on each side with distance of 14

The Listed size 14"x14" is for inside duct opening measurement

RV and Home White Stamped Steel Floor Diffuser/Register with Damper 8" X 4" (Duct Opening Size) Outside Dimension 9.6"x 5.6" Effortless Airflow Control: Our functionalFirst thing to know about size selection: take the vent cover off the wall or ceiling. Measure the duct opening where the vent can fit in. Use the measurement to determine right size to buy. This product has listed size 8w X 4h is for duct opening measurement only, actual outsize overall dimensions is 9. 6 wide by 5. 6 high. If your duct opening size is 8 x 4, this is the right size and will fit in well. If you measure outside or surface size, you