Aprilaire 600 Humidifier

Features a built-in bypass damper, which means fewer parts to install
Delivers up to 50% more moisture than competitive units
Has an evaporation capacity of 0.70 gallons per hour
Humidifies tightly constructed homes up to 4,000 square feet in size
Delivers optimum levels of humidity control with the Automatic Digital Humidifier Control. You never have to monitor your settings or wait until you feel uncomfortable.
Provides vital service, temperature and relative humidity indicators in manual mode as well.
Performs quietly with simple annual maintenance.
Incorporates easy right or left discharge change-over.