GeneralAire Legacy 1040 Humidifier Evaporator Pad, 12 Pack

Metal mesh replacement humidifier filter fits General furnace mount humidifier models:
Legacy Series: 709, 990, B40, B-40, 1040, 1042, 1137, SL16, SL-16
Elite Series: 900, 1000

The filter is also industry defined as a media filter, water evaporator pad, or water panel, and is sometimes noted as being manufactured by General Aire or GeneralAire.

Includes: 12 Filters

Replaces original General part numbers: 990-13, 99013, G13