Compatible with multiple Honeywell humidifier models, this replacement filter is designed for Honeywell fill tower humidifiers, including HFT600 Series and HEV600 Series: HEV615, HEV615B, HEV615W, HEV620, HEV620B, HEV620W, HEV615, HEV615B, HEV615W, HEV620, HEV620B, and HEV620W. It replaces Filter T Part #HFT600T and HFT600PDQ. Key Features: Wide Compatibility Specifically engineered to fit designated Honeywell humidifier models for hassle installation. Eliminates uncertainty about sizing or fit. Performance For use, soak the filter in water for a few minutes before installing. This ensures fit, efficient moisture output, and consistent humidification. Helps maintain healthy humidity levels, reducing dryness in the air for improved comfort and respiratory wellness. Materials Constructed with grade, environmentally friendly imported filter paper featuring a durable diamondshaped grid structure. The upgraded blue grid design improves filtration efficiency, supports cleaner moisture output, and extends filter life. Easy Maintenance Simple to install and without tools. For results, the filter wick every 1 to 2 months depending on usage and water quality to maintain maximum humidifier performance. Use Scenarios: 1. Ideal for maintaining a comfortable humidity level in living rooms, bedrooms, or offices, preventing dry air discomfort during winter months. 2. Supports healthier indoor environments for families with children or those susceptible to dry skin, allergies, or respiratory irritation. 3. for preserving the condition of wooden furniture or instruments in dry climates by stabilizing indoor moisture. This quality replacement wick filter ensures your Honeywell fill tower humidifier operates efficiently and delivers cleaner, fresher moisture to your home.