ventilation damper ventilation flap exhaust air damper easy installation

Description: if you are building or have another wood project. 33x13cm/ 13x5. adjustable size of the air made from premium quality spruce beautiful and solid. Easy to install no sharp surface edge. Perfect install in for helping introduce fresh Great for enjoying at home helps you relax and eliminate fatigue. Specification: Material: Wood Color: Natural Wood Size: Approx. 33x13cm/ 13x5. Package Includes: 1 Piece Vent : Please allow 1-3cm error due to manual measurement pls make sure you do not mind before you bid Due to the difference between different monitors the picture may not reflect the actual color of the item pls understand thank you