Description: A must-have item if you are building a sauna or have another wood project. 33x13cm/ 13x5.1inch adjustable size of the air made from premium quality cedar beautiful and . Easy to install no sharp surface edge. Perfect item to install in for helping introduce fresh air. Great for enjoying a sauna at home helps you relax and eliminate fatigue. Specification: Material: Wood Size: Approx. 33x13cm/ 13x5.1inch Package Includes: 3 Pieces Sauna Vent Note: Please allow 1-3cm error due to manual measurement pls make sure you 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