400 (Aprilaire) | Humidifier Bypass Auto

Aprilaire Model 400 Water Saver Evaporative Humidifier Uses 100% of The Water That Goes Into The System by Capturing Excess Water in a Reservoir. Water is Heated Into a Vapor And Dispersed Throughout The Home Before More Water is Added, Helping Save Money on Water And Utility Costs. | Aprilaire | 400