Does anyone know where I could find these "sterile caps". They are a #12 neoprene stopper with a flexible skirt that forms a cover which makes them far more secure than a regular stopper. They used to be made by SEPCO (Scientific Equipment Products Co) in the USA. The company seems to be long gone. I use these to seal 20 liter carboy algal culture apparatus and have need of new ones; or something I can replace them with. Any suggestions?
Dear Barry
This is an italian company which produces glassware.
http://www.colaver.it/it/prodotti/334-tappi/3347094-tappi-rovesciabili-in-silicone.html
I am not sure if the stoppers you are looking for are the same as those in the link, but they look very similar to me.
I think you can ask them.
Regards
Claudio
Hola, Saint-gobain is a producer of rubber caps and VWR has them in its catalogue. In high amounts, and a bit more resistant we import them from the states . Plasticoid.com.
Saludos
Hello,
you may also check the Carl Roth versions - rubber and silicone turn-up lip stoppers:
http://www.carlroth.com/catalogue/catalogue.do;jsessionid=0879A27620436FFBCA68457ADD1955BF?id=292&favOid=000000070002c2d300010023&act=showBookmark&lang=en-com&market=COM
Anca
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