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HQRP 2-pack Water Filter compatible with Aprilaire 10 fits Aprilaire 110, 220, 500, 500A, 500M, 550, 550A, 558 Humidifiers
HQRP Hard Wick Water Filter compatible with Aprilaire 10 Replecement fits Aprilaire 110, 220, 500, 500A, 500M, 550, 550A, 558 Humidifiers.Honeycomb filtration to trap mineral pollutants found in water and help prevent them from entering your home. This evaporator pad generates the humidity you need to keep your indoor air comfortable during the heating season. Please note, changing the panel slide the panel into the scale control insert with the colored marker up. HQRP® 2-pack

Price is $19.00
Price: $18.95