20MM STPR 3 LEG LYO THN FLG BU, 1 Case

Gray Rubber Stopper for 3-Leg Lyophilization, Chlorobutyl/55, 20mm Diameter (Case of 300)          
 
WHEATON? Thin Flange, Stopper
Use with screw caps for Screw Neck Diagnostic Bottles
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
Autoclavable