Nalgene 6423-0010 LDPE Spigot Closure, Spigot Boss for Carboys and Tanks, 1-1/8" Size (Pack of 4)

This spigot closure fits all Nalgene carboys with a spigot and selected Nalgene tanks with a spigot. Use it to replace a spigot to provide leakproof seal when autoclaving liquids in a carboy. It is also useful when handling could damage or accidentally turn on the spigot or when a spigot-less carboy is required. Included with all Nalgene carboys with spigot. Materials: white polypropylene lock nut tetrafluoroethylene (TPE) plug. Nalgene #: 6423-0010.