These are replacement glass stopcock plugs for No. 7280 PYREX® straight bore glass stopcocks. Since several different bored sizes may be drilled through any given size of plug, the approved method of designating the size of a glass stopcock is by bore diameter only. Interchangeable ground glass stopcocks are not intended for high vacuum apparatus or for use with light...
These are replacement glass stopcock plugs for No. 7280 PYREX® straight bore glass stopcocks....
