Droll Yankees CC18S Onyx Clever Clean Sunflower/Mixed Seed Feeder, 18″Droll Yankees Onyx Clever Clean 18 Sunflower Mixed Seed Feeders are the worlds cleanest feeders with twist and release removable base technology. Twist and release base ensures easy cleaning, every time. Unobstructed interior provides the ideal flow of seed. Elegant black color. Twist and release base ensures easy cleaning, every time Unobstructed interior provides the ideal flow of seed Elegant black color 4 ports with comfort perches 180 degree, two