WWHM1840 White-Westinghouse Humidifier Wick Filter
This White Westinghouse features honeycomb filtration to trap mineral pollutants found in water and help prevent them from entering your home and fits models models 2090ZE, WWH650, WWHM1840, WWHM1845, and WWHM3800. It measures approximately 7 1/2 H x 5 1/4 ID x 7 1/4 OD x 1. For best results, change air filter at least twice per season or more often depending on air quality and use.