The Backyard Essentials Seed Tube Feeder is designed to feed mixed blends as well as Black Oil Sunflower Seed. This feeder attracts a wide variety of birds including Cardinals as it is equipped with a Cardinal Perch. Contains 6 feeding ports and holds 10 cups of seed. 

Dimensions
20.08 (D) x 6.69 (W) x 6.69 (H) inches