The first and still the best to protect your Hummingbird and Oriole feeder from ants and other crawling insects. Insert between hanger and feeder and fill with 6 oz. of water, providing a barrier to crawling pests. It is easily mounted with two 3/8″ diameter (open) hangers, plated for excellent weather protection. The TRAP-IT™ is molded of one piece weather resistant plastic.