ZORBAX Original NH2, 4.6 x 12.5 mm, 5 µm, 400 bar,

ZORBAX Original NH2, 4.6 x 12.5 mm, 5 µm, 400 bar, guard cartridge (ZGC), 4/pk. ZORBAX guard cartridge protects from particulates without compromising performance. It recommends guard columns for all uses to extend column life and maintain system efficiency.