The GeneralAire GA19 is the correct replacement vapor pad for the following humidifier models:
The GeneralAire GA19 Humidifier Vapor Pad Replacement is a replacement vapor pad for the GeneralAire Elite Models 900 and 1000. Air passes through the GA-19 vapor pad where moisture is absorbed into the heating system after which the home is humidified. This GeneralAire vapor pad is typically water-soaked so that heated air can pass through it, absorb moisture, and then distribute it throughout your home for maximum comfort and convenience. GeneralAire recommends that you replace this vapor pad once a year for the proper humidity output and optimum indoor air comfort.
GeneralAire GA19 Humidifier Vapor Pad Replacement specifications: