Moisture Wicking Filter for Humidifier Compatible with HWF80, HWF80-U Compatible with Humidifier Models HM2200 Compatible with Whole House Smart Humidifier Model HCM3888C Replace your wick filter every 2 months depending on your usage environment Color: as shown Material: cotton filter Size: 42x24cm Package Contents: 2 * Humidifier Wick 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 a little different from the real thing. The measurement allowed error is +/- 1-3 cm.