Imperial's Louvered Design Solid Oak Floor Register is crafted for beauty and durability. Can be stained to complement the most popular floor finishes. Polystyrene rust-proof body and damper control. Size: 4" x 10" Color: Finished light oak Design: Louvered Floor Register Material: Solid Oak Adjustable damper Can be stained to complement the most popular floor finishes Polystyrene rust- proof body and damper control.