Nalgene DS0345 Three-Place Vacuum Manifold with PTFE Stopcocks allow for easy funnel manipulation with the widely spaced outlets. This stable benchtop unit is made of high quality stainless steel and has three vacuum outlets each with leakproof two-way valve and vent port. Teflon™ stopcock on each valve shuts off flow when fewer than three outlets are used. For use with Nalgene analytical filter funnels or Nagene test filter funnels. Includes: Three vacuum outlets, each with two-way valve and vent port; hose barb vacuum connector for 0.38″ (9.5mm) I.D. tubing.