The Kuhl 15 lbs. hanging feeders are designed exclusively for the hobbyist. Feed saver lips minimize spillage. Anti-Scratch vanes help prevent crowding and feed waste. Feed level can be adjusted up or down. Unit is constructed out of heavy-duty polyethylene material to provide multiple seasons of trouble-free utilization. Kuhl 15 lbs. feeder is suspended by a center galvanized steel rod that will not rust, rot, or corrode.