This molded rubber filter disc is designed to support and seal in place a filter crucible or a funnel in the neck of a filter flask. Inside diameter of the socket at top is 32mm, and outside diameter of the disc is 76mm. The bottom of the disc is flat so that it seals tightly against the lip of…

Ultra light and powerful pipette controller is designed for comfort as well as accuracy. Intuitive 6 level speed setting and sensitive triggers provide a wide range of aspirating/dispense speeds. Pipette controller is ergonomically designed for extended usage; the lithium-ion battery charges…