Easy Clean tube feeder has removable parts for easy cleaning. Even-Feed baffle keeps seed at all ports for more birds attracted to feeder. 2-in-1 insert can be used for either sunflower or thistle seed. Die-cast and powder coated aluminum top, base, ports, and perches - rust free metal parts will not be damaged by squirrels. UV stabilized, crack resistant polycarbonate tube will not get cloudy or crack. 3.5 Qt. capacity for less frequent filling. Accommodates birds of all sizes. Dishwasher safe parts. Lifetime warranty.