ZORBAX RRHD HILIC Plus, 95A, 2.1 mm, 1.8 um, 1200 bar pressure limit, UHPLC guard, 3/pk. Specifications:- Carbon Load: 0 %. Endcappe d: No. Guard Column: Yes. Hardware: Conventional. Inner Diameter (ID): 2.1 mm. LC Column Brand: ZORBAX. LC Column Pha 1 * 3 items