Replacement humidifier pad for:

 

Aprilaire models 110, 220, 500, 500M, 550A & 558.

 

-Original replacement pads.

 

-For an optimal performance of the humidifier, replace pad annually.

 

-Replacement instructions included on the box.

MARQUE: APRILAIRE

MODEL: PADAPRIL10

PRICE: 21.99$