20mm Round Bottom Stopper, Irradiated, Bag of 2,000. THIS HAS BEEN REPLACED BY THE BAG OF 1,000 PIECES - CLICK HERE
20mm Round Bottom Bromobutyl Rubber Vial Stopper, Irradiated, Bag of 1,000.
20mm Sterile Lyophilization (Two-Leg / Two-Prong) Vial Stopper, Irradiated, Bag of 1,000.
13mm Round Bottom Stopper, Irradiated, Bag of 1,000 Special Offer: buy an equivalent number of 2ml clear sterile open unsealed ready to fill vials (62113S-2) and receive a 30% discount on these stoppers! Please inquire for details