The OEM AprilAire 60 Automatic Digital Humidifier is a white evaporative humidifier that operates on a 24VAC electrical power source. With a compact size of 6.75 x 4.5 x 2.5 inches, this model from Aprilaire by Research Products Corporation is designed for whole house application. It features a humidistat for automatic control and is not discontinued by the manufacturer. Ideal for maintaining indoor air quality and improving heating and cooling efficiency, this humidifier is a reliable option for home improvement and home and garden projects.