This item is a set of humidifier replacement filters, which is manufactured with top-class material for safe and use. The acetate fiber with comfortable texture will ensure its practicability and popularity for any field use. Suitable for humidifiers or other . Features -Color: White. -Material: Acetate fiber. -Size: 13x0.8x0.8cm/5.1x0.3x0.3inch. - Made of premium acetate fiber material, porosity distribution, particularly strong absorbency, water storage capacity, volatile stability, help your humidifier work better. - When you find the diffuser/humidifier produce less steam or even stop work, and the machine become hot ,try to replace the filter and no worry about the service life about the humidifier. - Not water-soluble, non-stick blocking filter will enable a of water steam to freshen the air, which will ensure you to breathe more comfortably. - It has simple design, but very practical in use. - It is easy to use and operate, bring much convenience to you. Package list: 20 x humidifier filter