Fill this replacement tube with fresh nectar and watch a hummingbird extend their tongue into the nectar to lap up every drop! Made from clear glass with a red plastic cap and one built-in feeding port. A perfect fit for replacing the nectar tube in the following hummingbird feeders: Flower Pot Feeder #6139, Whimsy Hummingbird Feeder #5996, Whimsy Wand Hummer Feeder #5997 and Window Hummingbird Feeder #5994. Tube measures 5/8 x 4-1/4 inches.