Teflon® Sealed Stirrer Bearings

Patented design allows liquids or vapors to contact glass and Teflon® only. The threaded glass housing has an inner joint. A Teflon® sleeve with O-ring is bored to accommodate a 10 mm ID ground and polished stirrer shaft. The Teflon® sleeve holds a Teflon® gland with O-ring, and has a threaded plastic cap to enclose the whole assembly effecting a tight seal for vacuum or pressure applications. Without stirrer rod or blades.