Cork Stopper, 10-Pack Biology_Cell Biology and bulk liquids that attack

and bulk liquids that attack uncoated metal

sized for materials-science comparison of composition and properties

Stopcock with standard ground joints features 19/26 socket size in borosilicate 3

this wide-mouth LDPE wash bottle delivers controlled flow through a self-venting leak-proof nozzle

Hexagonal hollow stopper in borosilicate glass features 29/32 cone with round end for sealing ground joint vessels and chemistry apparatus

Cork Stopper, 10-Pack Biology_Cell Biology and bulk liquids that attackNatural cork bark stoppers with a tapered profile seat into a range of bottle necks and flasks for general purpose non reactive closure.