Our #1 Best Selling Bird Feeder www.duncraft.com/Squirrel-Bust...
Keep big birds and squirrels-both red and gray, from hogging your bird seed! The Squirrel Busters adjustable, weight-sensitive, metal skirt drops down with the weight of a squirrel or large bird-the six seed ports are closed off instantly.
Use the included "cardinal ring" to give cardinals extra perching room-it lets them face their food supply, which is a more comfortable position for cardinals. If the cardinal ring is not used, each of the 6 perches can be twisted in and shortened to further discourage large birds. Manufacturer's Lifetime Guarantee. Holds approximately 3-1/2 lbs. of any seed or seed mix. 28 inches tall.