Humidifier wick filter replacement set designed to help your humidifier deliver clean, consistent moisture by capturing minerals and pollutants from the water and helping reduce white dust. The wicking filter includes a pre-filter layer to support fresher indoor air and improved humidifier performance, especially in hard water conditions. Replace the filter every 20-30 fillings to maintain strong humidity output and help relieve dry air discomfort such as dry skin and breathing irritation, making it ideal for bedrooms, living spaces, and seasonal use. Compatible with Honeywell Filter T HFT600PDQ / HFT600 and compatible with Honeywell HEV600 Series HEV615 / HEV620 / HEV615B / HEV615W / HEV620B / HEV620W top fill cool mist humidifiers. Disclaimer: This is not an Original Equipment Manufacturer (OEM) product, HQRP branded product is a replacement. All brand names and logos are registered trademarks of their respective owners. Any use of the brand names or model designations for this product are made solely for purposes of demonstrating compatibility.