Non-calibrated tubes made from borosilicate glass for use with aqueous and organic solutions. Packed in half pound packages. Tubes are 1.0-1.1mm OD x .66-.70mm ID.

Neoprene filter adapters are designed to fit between a filtering funnel and a flask. For use with Buchner funnels, Gooch crucibles, filter tubes, etc. Can be used individually or nested with adjacent sizes. Eliminates the boring of rubber stoppers and the difficulties of inserting and removing…