The Aprilaire 4837 maintenance kit is designed specifically for your Aprilaire 560 and 568 humidifier and includes all the supplies you need to maintain your Aprilaire humidifier each year;Aprilaire suggests replacing the 4837 maintenance kit before every humidification season, or every 12 months;The Aprilaire 4837 maintenance kit is designed to keep your Aprilaire 560, 560a and 568 humidifier operating like new!

• Aprilaire 4837 Repair Kit
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Aprilaire 4837 Repair KitAPR Supply Co.