for Models: Designed to be fully compatible with the for HFT600 series, including HEV615, HEV620 models. These filters match part numbers HFT600T & HFT600PDQ, ensuring a seamless fit and function. Bulk Pack for Better Value: This pack includes 5 high-quality replacement filters for your humidifiers, ensuring you have enough to maintain optimal performance. Recommended replacement every 1-2 months for best results. Enhanced Material Quality: Constructed from environmentally friendly, upgraded filter paper with a robust diamond grid structure. This design enhances moisture output, extending the life and efficiency of your humidifier. Maintain Ideal Humidity: Combat dry air symptoms such as dry skin and nasal congestion with our efficient HFT600 filters. They also help reduce static electricity and protect wooden floors and furniture from damage due to dryness. Colour:White Material:Wood pulp paper Package Contents: 5 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.