This Aprilaire feed tube and nozzle is for use with models 700, 760, 760A and 768. This is the water feed tube which attaches to the outlet side of the solenoid valve and the feed tube slides into a nozzle. The nozzle attaches to the inside top of the base of the unit which mounts to the heating/air conditioning ductwork. It includes feed tube, nozzle, orifice, ferule, compression nut, strainer.