FIT MODELS - HFT600 humidifier wicking filters for HFT600T, HFT600PDQ, Filter . Compatible with HFT600 Series, HEV-600 Series: HEV615, HEV615B, HEV615W, HEV620, HEV620B, HEV620W, HEV-615, HEV-615B, HEV-615W, HEV-620, HEV-620B, HEV-620W. Compare to part # HFT600T & HFT600PDQ. EXCELLENT PERFORMANCE - This humidifier filter captures minerals and pollutants from the water and helps prevent white dust. PREMIUM MATERIAL - Made of professional filter paper to optimal performance. Honeycomb pad design, allows for maximum absorption of water for best moisture output. EASY TO INSTALL AND REPLACE - For best performance, recommended filter replacement interval of 2-3 months. Color: white material: plastic Package Contents: 3 x filter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.