Tier1 Replacement for Kaz & Emerson WF1 HDF-1 Models 885, 3000, 3300 Humidifier Wick Filter DESIGNED TO FIT: Fits Kaz humidifiers requiring WF1 filter, models 885, 3000, 3300, 3400, EV710, Emerson HD1021, HD200, HD300, HD3000, HD400, HD4000 ACTUAL SIZE: 5-19/50 inches (height) x 13-1/4 inches (width) x 1-1/4 inches (depth) HIGH EFFICIENCY FILTRATION: Reduces pollutants from the water used in your humidifier to produce better air quality by maintaining humidity levels during dry seasons FILTER LIFE: For optimum performance, replace every 2 months 100% TIER1 NO WORRIES GUARANTEE: We stand behind the quality of filtration and overall performance of our Tier1 filters! Reduces static Eases cold and allergy symptoms Soothes sore throat and dry, irritated skin Creates a comfortable living environment Reduces chance of nose bleeds Alleviates snoring for better sleep WF1 KO1 RBKWF1 TIER1-HMF1280