Round-Bottom Flasks with Stopcock Septum Port, Ace Glass

Round-bottom flasks with [ST] outer joint and septum port with 2mm bore 1:5 PTFE stopcock

The septum inlet facilitates the handling of air-sensitive materials. The outer joint is tooled with reinforcement rings for added strength and stability. Heavy wall flasks feature walls that are approximately 30% heavier than standard flasks. Supplied with septum.