This item is a set of 15 humidifier replacement filters, which is manufactured with top-class material for safe use with quality. The cotton with comfortable texture will ensure its practicability and popularity for any field use. With independant package, more and convenient to carry. Suitable for humidifier or other nbulizers. Features - Color: White. - Material: Cotton. - Size: 12.5 x 0.8 x 0.8cm. - Cotton Material: Made of filter cotton material , porosity distribution,absorbent particularly strong, water storage capacity, volatile stability,help your humidifier work better. - Protect humidifier: 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. - High Effective :Not water-soluble, non-stick blocking filter will enable a of water steam to freshen the air, which will ensure your ability to breathe more comfortably. - It has a simple design, but very practical in use. - It is easy to use and operate, bring much convenience to you. Package list: 45 x Cotton Sticks