Compatible with HFT600 Series, HEV-600 Series: HEV615, HEV615B, HEV615W, HEV620, HEV620B, HEV620W, HEV-615, HEV-615B, HEV-615W, HEV-620, HEV-620B, HEV-620W.4 Pack Set: which is a choice with better value and can last for a long time.Specifically Designed: Replacement parts HFT600T & HFT600PDQ, Filter T are perfect fit for your Honeywell Humidifier. The filter measures 19.5 x 16 x 3cm, its width can be stretched, minor size changes may occur during packaging and transportation.Always replace the filter every 30 / 60 days to keep the new machine clean.Usage suggestion: it is recommended to maintain once a month. Wash the surface of the filter screen repeatedly with clean water for 2-3 times, and do not wash it with force.Colour: whiteMaterial: wood pulp paperPackage Contents:4 x humidifier filterOnly the above package content, other products are not included.Note: Light shooting 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.