Advanced Materials Technology HPLC Guard Column HALO Diphenyl, 1000 Å, 2.7 μm, 4.6 x 5 mm, 3 pc/pak

C4 and sterically-protected ES-C18 phases Excellent high temperature stability (up to 90 ˚C) for improved peak shape and recovery 2 μm inlet frit Pressure limit, 600 bar/9000 psi