AprilAire H735EZ1A EZKit Humidifier FilterCondition: * New surplus stock, in OEM packaging. As pictured. Additional Notes: * This water panel assembly replacement was designed and made in the USA by AprilAire to fit Whole-House Humidifier Models 700, 700A, and 700M* No mess. No cleanup. Just fast, simple replacement of the water panel assembly to keep your AprilAire Whole-House Humidifier working like new.* By replacing the water panel assembly in your humidifier, you can enjoy the benefits of optimal humidity levels, including lower incidence of respiratory infections, minimized formation of bacteria and viruses, and preservation of household items susceptible to dry conditions* The water panel in this assembly measures 10″ H x 13″ L x 1.75″ W for AprilAire Whole-House Humidifier Models 700, 700A, and 700MAprilAire H735EZ1A