Bubblers WE WELCOME RUSH ORDERS! Bubbler, Mineral Oil UI-3255 Reservoir head prevents oil from being drawn back into system while providing a vent to the atmosphere. UI Part # UI-3255-01 Bubbler, Nitrogen UI-3260 Provides a nitrogen purge to a distillation system. A 24/40 joint allows for a rapid setup. UI Part # UI-3260-01