This product is made of high quality Wood pulp paper material, strong and . The humidifying filter can effectively filter particles, , dust, and the like. It is very easy to install and does not require particularly complicated operations. Provide a comfortable living/learning/office environment and your family. Exquisite workmanship and high work efficiency. size:15.5 x 15.5 x 10.1cm Material:Wood pulp paper colour:blue Package Contents: 1 x Filter 2 x Gasket Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.