AprilAire HydroCore Water Panel Cartridge for 620 and 720 Series Humidifiers

These replacement all-in-one HydroCore water panel cartridges are compatible with AprilAire 620 and 720 whole-house evaporative humidifiers. 

They come pre-assembled and easily pop in and out for quick, mess-free replacement every 12 months. Both panel cartridges are designed for sustainability, as the frames are made with recycled plastic and are recyclable. 

• HydroCore Water Panel Cartridge Model L: This cartridge helps maintain optimal humidity levels to prevent the spread of bacteria and viruses, ensuring peak performance and humidifier longevity. Part Number HYDROL.
• HydroCore Hard Water Panel Cartridge Model H: This cartridge features a 70000037 Orifice Assembly scale control layer to prevent excessive scale buildup caused by hard water, ensuring reliable and clean humidification. Part Number HYDRLH.

Compatible Models

• Aprilaire Model 620 Whole House Bypass Evaporative Humidifier
• AprilAire 720M Evaporative Humidifier w/ HydroCore
• AprilAire 720AKZ Evaporative Humidifier
• AprilAire 720MKZ Evaporative Humidifier