ZORBAX Rx-C18, 4.6 x 12.5 mm, 5 µm, 400 bar, Guard, 4/pk

ZORBAX Rx-C18, 4.6 x 12.5 mm, 5 µm, 400 bar, Guard, 4/pk. Protects columns from particulates without compromising performance. Extends column life and maintain system efficiency.