4 New Dual Pack The BestAir Replacement Humidifier Filters HW600 Honeywell HEV615 is a pack of 8 filters total, designed for use in Honeywell HEV615 humidifiers. These filters are made with Chlora clear filter media and have a filtration technology that traps impurities. They have a filter life of 3 months and are Energy Star compliant. The filters come in a white color and are a custom bundle of 2. They are suitable for use in indoor air quality and fans.