Fits White Westinghouse humidifier models WWHM1285, WWHM1230, WWHM1290, WWHM1600 and WWHM1700ZE. * White Westinghouse humidifier wick replacement filters. * Measures approximately 4" H x 4 1/2" ID x 6 1/2" OD x 1" Thick. * With antimicrobial agent!