It is a high-performance screw cap designed for safe and efficient solvent waste handling in chromatography and laboratory settings. It features a GL 45 thread made from durable PPS, combined with a freely rotatable distributor body made of chemically resistant PTFE. The cap includes three UNF 1/4" 28G female threads suitable for capillary tubing with outer diameters of 1.6 mm, 2.3 mm, or 3.2 mm, an NPT 1/8" port for connecting flexible tubing with inner diameters of 6.4 or 9 mm, and a GL 14 port for attaching a b.safe exhaust filter (not included).