Replacement Tube and Stopper 3/8 DIA

Genuine Lixit Replacement Tube and Stopper LARGE NOZZLE SIZE: The Large Tube measuring 5/8" is designed for large parrots, African Greys, Macaws, and Cockatoos, and Large Dogs 

Replacement Stopper for 5/8" Large 16 and 32 Ounce Bottles. 

Lixit 32oz Medium Replacement Tube and Stopper. 7/16 tube  Medium nozzle size: the medium Tube measuring 7/16" Is designed for hook bill birds such as Conjures, African greys, Quakers,...

Lixit 16oz Small Replacment Tube and Stopper. 5/16 tube