AprilAire Water Panels

Keep your AprilAire whole-house humidifier running at peak performance by replacing your water panel or humidifier filter annually. Your water panel helps you maintain optimal humidity levels (between 40-60%) by supporting the evaporation process.
AprilAire 10 Replacement Water Panel Humidifier Filter for Humidifier Models: 110, 220, 500, 500A, 550, 550A, 558
AprilAire 10 Replacement Water Panel Humidifier Filter for Humidifier Models: 110, 220, 500, 500A, 550, 550A, 558
from $10.99
AprilAire 12 Replacement Water Panel Humidifier Filter for Humidifier Model: 112, 224, 225, 440, 445, 445A, 448
AprilAire 12 Replacement Water Panel Humidifier Filter for Humidifier Model: 112, 224, 225, 440, 445, 445A, 448
from $17.99
AprilAire 35 Replacement Water Panel Humidifier Filter for Humidifier Models: 300, 350, 360, 560, 560A, 568, 600, 600A, 600M, 700, 700A, 700M, 760, 760A, 768
AprilAire 35 Replacement Water Panel Humidifier Filter for Humidifier Models: 300, 350, 360, 560, 560A, 568, 600, 600A, 600M, 700, 700A, 700M, 760, 760A, 768
from $12.99
AprilAire 45 Replacement Water Panel Humidifier Filter for Humidifier Models: 400, 400A, and 400M
AprilAire 45 Replacement Water Panel Humidifier Filter for Humidifier Models: 400, 400A, and 400M
from $28.99
Save $6.50
AprilAire 4750 Maintenance Kit with Water Panel 35 for Humidifier Model: 700, 700A, 700M, 760, 768
AprilAire 4750 Maintenance Kit with Water Panel 35 for Humidifier Model: 700, 700A, 700M, 760, 768
$64.99 $58.49
Save $14.50
AprilAire 4785 Maintenance Kit with Water Panel 35 for Humidifier Models 350, 360
AprilAire 4785 Maintenance Kit with Water Panel 35 for Humidifier Models 350, 360
$144.99 $130.49
Save $11.00
AprilAire 4788 Maintenance Kit with Water Panel 45 for Humidifier Model: 400, 400A, 400M
AprilAire 4788 Maintenance Kit with Water Panel 45 for Humidifier Model: 400, 400A, 400M
$109.99 $98.99
Save $7.50
AprilAire 4792 Maintenance Kit with Water Panel 10 for Humidifier Model 500, 500A, 500M
AprilAire 4792 Maintenance Kit with Water Panel 10 for Humidifier Model 500, 500A, 500M
$74.99 $67.49
Save $7.50
AprilAire 4793 Maintenance Kit with Water Panel 10 for Humidifier Model: 550, 558
AprilAire 4793 Maintenance Kit with Water Panel 10 for Humidifier Model: 550, 558
$74.99 $67.49
Save $8.50
AprilAire 4837 Maintenance Kit with Water Panel 35 for Humidifier Model: 560, 560A, 568
AprilAire 4837 Maintenance Kit with Water Panel 35 for Humidifier Model: 560, 560A, 568
$84.99 $76.49
Save $7.50
Aprilaire 4839 Maintenance Kit with Water Panel 35 for Humidifier Model: 600, 600A, 600M
AprilAire 4839 Maintenance Kit with Water Panel 35 for Humidifier Model: 600, 600A, 600M
$74.99 $67.49