1233Z70: 3-leg design provides stability during lyophilization and resists cocking. Constructed of Gray Chlorobutyl/50 material and fit bottles with mouth 13 mm ID x 20 mm OD.
1224A82: 3-leg lyophilization stopper is made from gray chlorobutyl/55 and is used with Wheaton screw neck diagnostic bottles. This stopper can be used with open top caps (240716-01 series) or closed top caps (240706-01 series). Not recommended for use with crimp top caps.