10 Inch Replacement Water Panel Filter For Aprilaire Whole House Humidifier Pads Models 110 220 500 500A 500M 550 550A 558, Easy Install, Plug And Play, Durable Furnace Humidifier Wick Filter

Aprilaire 500 Series Humidifier Replacement Water Filters
✔️ 10x9.75x1.75 inch panels fits models 110 to 558 2 pack set

These replacement water panel filters work inside Aprilaire whole house humidifiers attached to your furnace. They add moisture back into dry indoor air during cold months when heating systems run.

✅ Fits Aprilaire humidifier models 110 220 500 500A 500M 550 550A 558
✅ Measures 10 inches high by 9.75 inches long by 1.75 inches wide
✅ Comes in a value pack of two filters for extended use
✅ Helps keep home humidity between 35 and 45 percent for comfort
✅ White water panel design maximizes moisture output

💡 What is a whole house humidifier filter used for? These filters help your furnace system add moisture to dry winter air so your home feels more comfortable. - They trap minerals from water while allowing maximum evaporation through the panel. - Regular changes prevent buildup that reduces humidifier output over time. - Proper humidity levels protect wood floors furniture and reduce static in heated spaces.