Lightweight and durable PVC material makes this extraction manifold a great alternative to stainless steel. Polyvinylchloride(PVC) is resistant to acids. The tapered branch accepts a 40/35 female joint to adapt to microanalysis units. The valve is PVC with a PTFE stopcock. The 3-way PVC valve with PTFE stopcock allows the manifold to be vented to atmosphere when used under closed conditions without breaking the vacuum connection. The valves luer slip vent port accepts a disposable syringe filter (13JP020AN) or KS13 holder with PTFE filter (J020A013A) to maintain sterility. The manifold outlet is 1/4"male to hose barb fitting connects to 3/8" id tubing. Not autoclavable.