RV and Home White Stamped Steel Floor Diffuser/Register with Damper 8" X 4" (Duct Opening Size) Outside Dimension 9.6"x 5.6" Individually shrink wrapped with card

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

compatible with optional dampers for airflow control

Easy Installation: The actual outside dimensions of 11

Size Selection Guide

White powder coating with matte finish

RV and Home White Stamped Steel Floor Diffuser/Register with Damper 8" X 4" (Duct Opening Size) Outside Dimension 9.6"x 5.6" Individually shrink wrapped with cardFirst 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