PTFE Blade Stirrers

◎PTFE construction for maximum resistance to chemical attack.
◎PTFE blades can be pivoted on the glass shaft to allow passage through small apertures e.g. necks and sockets of flasks.
◎Blades are detachable for cleaning and replacement purposes.
◎Useful for sweeping close to the vessel walls as they will not cause scratching.
◎For use with glass stirrer shaft detailed below.