Complete set-up consists of a column barrel, a stopcock adapter with a size 2 PTFE plug (821001-0002), two ethylene propylene (EP) o-rings, a fritted disc and a pinch clamp
· 422250 series includes integral spherical reservoir for eluting solvent
· Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements