This White-Westinghouse 1840 Compatible humidifier filter measures approximately 7 1/2" height, 5 1/4" inner dimension, 7 1/4" outer dimension x 1" thick. This humidifier wick filter should be changed twice per season.
The White-Westinghouse WWHM1840 Humidifier Wick Filter is the correct compatible replacement for the following models of White-Westinghouse Natural Moisture humidifiers:
- 2090ZE
- WWH650
- WWHM1840
- WWHM1845
- WWHM3800
