Compatible with HFT600, HEV-600 series: HEV615, HEV615B, HEV615W, HEV620, HEV620B, HEV620W, HEV-615, HEV-615B, HEV-615W, HEV-620, HEV-620B, HEV-620W. Fine workmanship and perfect style. Specifically designed: Replacement parts # HFT600T and HFT600PDQ, T filter are perfectly suitable for your humidifier. The filter measures 19.5 x 16 x 3 cm, its width can be stretched, slight size changes may occur during packaging and transportation. Always replace the filter every 30/60 days to keep the new machine clean. Suggestion for use: It is recommended to maintain once a month. Wash the filter screen repeatedly with clean water for 2-3 times and do not wash it forcefully. size: 19.5 x 16 x 3 cm Material: wood pulp paper color: as shown Package Contents: 8 x Humidifier 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 a little different from the real thing. The measurement allowed error is +/