Unit with electronic speed control adds heating or cooling to any room quickly, easily, and inexpensively. Recommended in n adjoining rooms for cooling or heating. Complete with registers. Wall Size Through walls 5″ to 6″ thick (2×4 or 2×6) Volts 110V Weight 4 lb

Connector reduces 9000 Duct Fan from 6″ diameter down to 4″. Weight 4 lb