Provides on-off control for all three ports of the reservoir cap

·         Helium-tight valves maintain the mobile phase in a sealed environment between runs

·         Port on each valve and connecting threads on the bottom of the cap use ¼”-28 fittings

·         Cap body is manufactured from PTFE, while color-coded valves are made of CTFE with TFE/propylene o-rings (standard version) or stainless steel with FFKM o-rings (THF-resistant version)

·         ¼”-28 flangeless fittings and adapters are supplied to allow simple, easy connection to any HPLC pump system

·         Filtration of the mobile phase directly into the reservoir requires the separate purchase of the filtration cap and appropriate solvent pickup adapter

·         Supplied with a three valve cap, conical bottom reservoir, fittings kit and FEP PTFE tubing

·         Patent No. 5,397,467

·         Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements