The Aprilaire 4793 is for use with the following humidifiers:
The Aprilaire 4793 - 550 Humidifier Maintenance Kit includes all replacement humidifier parts needed to make your Aprilaire 550 Series humidifier operate like new again. Buying these Aprilaire humidifier parts together in this comprehensive kit saves money as opposed to buying the various humidifier replacement parts separately. This humidifier maintenance kit includes the following Aprilaire 550 humidifier replacement parts:
This is a genuine factory replacement Aprilaire 4793 maintenance kit also known as the Aprilaire 550 maintenance kit and April Air 550 maintenance kit. The Aprilaire 4793 humidifier maintenance kit should be used as needed in your Aprilaire 550 humidifier to keep it operating in optimal condition.