Aprilaire #10 Water Panel Evaporator

Product Description

Genuine Aprilaire OEM replacement water panel evaporator (or humidifier pad) #10 for models 110, 220, 500, 500A 500M, 550, 550A and 558. 

• We generally recommend replacing this evaporator panel once a year.  You may need to replace the panel more frequently if you have hard water. 
• The water panel slides into the scale control insert and the water distribution tray sits across the top of the panel.  
• The dimensions of the water panel are 9 3/4" x 10" x 1 3/4"