Capillary jẹ ohun elo pataki ni HPLC, eyiti o ṣe ipa pataki ni sisopọ awọn modulu irinse, ati awọn ọwọn chromatographic. Chromasir®egbe ṣe apẹrẹ awọn capillaries mẹta ati awọn ohun elo ti o jọmọ, ṣe sinu awọn capillaries mẹta (Traline series, Ribend series and Supline series) ni awọn ọna oriṣiriṣi, ati gba ọpọlọpọ awọn iwe-aṣẹ. Awọn jara capillary ti wa ni ayewo nipasẹ SGS, ni kikun ifẹsẹmulẹ awọn ohun elo capillary. Awọn capillary ti Chromasir®ni ibamu pẹlu diẹ ẹ sii ju 95% HPLC.