81-15 GeneralAire Humidifier Evaporator Sleeve Replacement Filter

GeneralAire humidifier filters (evaporator sleeves).

• Fits GeneralAire power humidifier (drum type) model 81.

• Measures approximately 7 1/2" H x 26 1/2" L x 1" Thick.

• Removes all minerals from the water it evaporates! Minerals are left on the evaporator sleeve and are not blown into the airstream to collect in the living area.

• For optimum performance, replace filter every two months or, in hard water areas, more frequently if necessary.