The AprilAire 4655 Manual Whole-House Humidistat Control is a duct or wall-mounted unit designed to regulate indoor humidity levels. With a sleek gray matte finish and made of durable plastic, this model from Aprilaire offers reliable control over your home's humidity using a manual humidistat feature. The electrical power source ensures consistent operation, making it a convenient and efficient addition to any home improvement project related to indoor air quality and fans... Open Box... Good Buy!
eBay