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. Model:for CJSJSQ01DY Colour: blue Material: non-woven fabric Package Contents: 1 x Humidifier HEPA Filter 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.