This borosilicate glass Squibb separatory funnel is supplied with lower Standard Taper inner joint with sealed-in drop tube, stopcock with PTFE plug, and glass Standard Taper stopper. Limited 90-day warranty included. Research, industrial and healthcare professionals rely on SP Scienceware for their sample handling needs. Sold worldwide, Wilmad-LabGlass brand laboratory glassware features over 7000 items including NMR and EPR consumables and specialty glassware, as well as custom fabrication for individual glassware, glass repair services and OEM glass parts. Bel-Art and H-B Instrument brand laboratory supplies complements Wilmad-LabGlass with over 5,000 items from safety wash bottles to fume hoods, thermometers, racks, desiccators, hydrometers, ice buckets, scoops and spoons.