These high quality filter wicks are made by a leading manufacturer to fit Holmes Portable Humidifiers – 6 Pack. Patented “Extended Life” design prevents by-pass air, extending the filters higher output. Anti-bacterial treated. Equivalent to OEM part# HWF-62. 6 PACK FITS: Holmes Humidifiers: HM-275, HM-1230, HM-1245, HM-1275, HM-1280, HM-1285, HM-1290, HM-1295, HM-1296, HM-1450, HM-1600, HM-1700, HM-1701, HM-1740, HM-1760, HM-1761, HM-1910, HM-2005, HM-2025, HM-2030, HM-2408. (HWF-62, HWF-85) Hunter Humidifier: 32200 (31911) Hamilton Beach Humidifiers: 05518, 05519 (05910) White Westinghouse Humidifier: WWHM-1230, WWHM-1285, WWHM-1290, WWHM-1600 (WWH-620) Evenflo Humidifier: 655000, 655001, 755, 755000, 755001, 758100, 759200 (274E) Halls Humidifier: HLS-1300, HLS-1400 Approx dimensions: 6 1/2″ x 4″