Ideal filters for effective humidification HQRP Wick Filter design maximizes moisture output from the humidifier. It captures mineral from hard water to stop white dust and fights odor. HQRP Wick Filter Replacement for Sunbeam SF235 / SF-235 Parts Compatible with Sunbeam SCM630, SCM630WC, SCM630BC, SCM631, SCM631C, SCM7808, SCM7809, SCM7809P Humidifiers. Compatible with Holmes HM630, HM729, HM729G, HCM730, HM4600, HM4600HD, HM6000, HM6005, HM7203, HM7204, HM7305, HM7305RC, HM7306, HM7405, HM7808 Humidifiers. Replacement for Sunbeam SF235 Filter E / Holmes HWF100 HWF100CS. HIGH QUALITY HQRP triple-layer humidifier filter helps control dust and dirt build-up and prevents impurities from spreading by passing air through the filter, also remove household odors. EASY INSTALLED HQRP Himidifier filters are easy installed. For optimum performance, humidifier filter should be replaced at the beginning of each season and then every 4-6 weeks, depending on usage and hardness of water. Replace regularly for fresh, clean, moist air. CUSTOMER SUPPORT If you have any questions about the product, please write us. We want to ensure you have a clean, healthy and safe home! Please note, HQRP filter may come in Retail or OEM packaging.