or
Agilent Poroshell 120,UHPLC Grd,EC-C18,3mm,4um - BC
Agilent Poroshell 120,UHPLC Grd,EC-C18,4.6mm,4um - BC
Agilent Poroshell 120,UHPLC Grd,EC-C18,2.1mm,4um - BC