Double toner:It captures mineral from hard water to stop white dust and features an outer layer of activated charcoal to fight odor. These filters are for anyone who needs a clean and effective humidifier experience. Compatible for Humidifier Models: HLS1300, HLS1400, HM1100, HM1118, HM1119, HM1120, HM1300, HM2408, HM1230, HM1275, HM1280, HM1281, HM1285, HM1295, HM1296, HM1297, HM1450, HM1700, HM1701, HM1740, HM1760, HM1761, HM2025, HM2030, & HM2409; and Humidifier Models: SCM1100, SCM1701, SCM1702, SCM1762, SCM2409. Colour: Black & White Material: Composite material Package Contents: 2 * Humidifier Filter Only the above package content, other products are not included. Note: Light reflection 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.