Hunter 31942 Hard Wick Filter Hunter Humidifier Replacement Filter Fits Hunter humidifier models 33200, 33203, 33230, 33232, 33250, 33251, 33252, 33255, 33257, 33280, 33282 and 37203. Hunter humidifier wick filters (evaporator pads). Measures approximately 6 1/8" x 9" x 1 5/8". Honeycomb filtration to trap mineral pollutants found in water and help prevent them from entering your home.