Buy Aprilaire #12 Water Panel Evaporator Pad - 2 pack

Pack Original Factory Replacement Water Panel Evaporator for Aprilaire Humidifier Models 112, 224, 440, 445, 445A, 448 Dimensions: 11-1/2 x 14-3/4 x 1-1/2 Humidifier water panels are a regular replacement item in whole-house humidifiers. For the best performance we recommend that the Water Panel be replaced once a year. If you have especially hard water - the panel can be replaced 2 times per year.