The Millipore 600mL pressure vessel is designed for particle-free filling of vials with extemporaneous drugs, allergenic extracts and ophthalmalic solutions. These filtering pressure vessels are designed for use with Millipore 47mm filter holders and attach to them through an outlet ball valve for filtrate throughput. Clear polycarbonate cylinder construction. White polypropylene end caps. Includes O-rings, polyethylene pressure tubing and Delrin® ball valve.