Shim-pack Scepter Phenyl-120 EXP (G), 1.9um, 2.1 x 5.0mm LC Guard Column Cartridge, 3/pk

Guard column for any 1.9um Scepter Phenyl-120 column with 2.1mm ID. Requires EXP holder 227-32041-01. Max pressure: 100 MPa/1000 bar/15,000 psi. 120A pore size, 17% carbon load, fully endcapped.