General 99013 Humidifier Filter
Furnace Humidifiers Use with forced air furnace systems to provide whole-house humidification. Water Pad, Replacement, Height 12 3/8 ", Depth 1 3/8", Width 11 3/4"
For Use With General 709, 990, 1040, 990-13, Williamson Power 500, 400-13, Hamilton 10 HF