This manual provides information on the operation and maintenance of the Aprilaire Model 4200, 4300 and 4400 Media Air Cleaners.
The Aprilaire Model 4200, 4300, and 4400 are whole-house media air cleaners designed to be installed in a heating and cooling system. These units remove small particles from the air circulating through your home, utilizing genuine Aprilaire SelfSeal filters for high efficiency.
Your filter will generally last a year, but this depends on factors like your environment and how often you run the air cleaner.
You must use Model 213 filtering media specifically for the Model 4200 Air Cleaner.