Rubber stopper for serum vials, 13mm, 2-prong, premium

RUBBER STOPPERS FOR SERUM VIALS, PLUG AND 2-PRONG

Chlorobutyl rubber stoppers - plugs for liquids, 2-prong for freeze-dried samples.
New batch of L63RS-13PL stopper are made of Bromo Butyl Rubber - 02/02/15