Fit Model: Replacement for HFT600T, HFT600PDQ, HEV615, HEV615B, HEV615W, HEV620, HEV620B, HEV620W, HEV-615, HEV-615B, HEV-615W, HEV-620, HEV-620B, HEV-620W. Comfortable Life: A blue pre-filter layer helps protect the main filter and capture particles, assisting in maximizing filter life. Premium filtration captures minerals and pollutants to improve indoor air quality. Helps create a healthier indoor environment and enhances breathing comfort. Performance: The HFT600T filter effectively captures minerals and impurities from water, helping to reduce white dust and improve breathing comfort. Easy to install and fits securely in compatible humidifier units. Premium Filters: Made with environmentally friendly, imported filter paper to help optimize humidifier performance. Helps reduce white dust caused by hard water, maintains moisture levels, and supports consistent air quality. Premium humidifier filters compatible with HEV620 models. Affordable replacement design allows for easy removal and replacement of dirty filters. It is recommended to replace the filter every 2-3 months for optimal performance. Regular filter replacement helps maintain clean air. Size: 19.5 x 16.5 x 3.3 cm Material: Plastic Color: Blue + White Package Contents: 9 x Filter Note: Light reflection and display settings may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.