Humid-Aire Humidifier Replacement Filter Neptune.

Humid-Aire furnace humidifier filters (evaporator pads).

Measures approximately 11 1/2" x 14 3/4" x 1 5/8".

Honeycomb filtration to trap mineral pollutants found in water and help prevent them from entering your home.

Water pad evaporator filters are the heart of your humidifier. It is the component that generates the important humidity to keep you comfortable during the heating season.

Black paint mark indicates top of filter.

For optimum performance replace filter once every 6 months or more often in hard water areas.