Aspects Super Tube Top II's huge 18-inch diameter offers the ultimate protection from rain, snow and squirrels.  The Tube Top simply slips over the bail wire and rests on the feeder's cap - no hardware needed!  The Super Tube Top II is designed to fit all Aspects 2-3/4-inch and 4-inch tube feeders.  The dome is molded from UV stabilized polycarbonate, the strongest and most durable plastic available. 
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