GeneralAire Replacement Humidifier Pad No.1099-20(109920) by Magnet by FiltersUSA;

General Aire Replacement Humidifier Pad Fits Models 1099, 1099L, 1099LH, 1099R, 1099LH, WILLIAMSON 750, OTHER Models: 19P71, EP75, EP-75. (G20-RPS) (G20) (G20RPS) Made by Magnet by FiltersUSA