Halo 2um, 90A, Biphenyl Back Catalog number: 941810-211 Manufacturer: Advanced Materials Technology Availability: In the manufacturer's stock Price on request - + Recommended 93414-326 HALO 400 A Diphenyl, 3.4 µm, 4.6 x 30mm Price on request 92123-102 HALO 160 Å ES-C18, 2.7 µm, 3.0 x 5mm, Guard Colum Price on request 92813-109 HALO 90 Å PFP, 2.7 µm, 3.0 x 5mm, Guard Column 3p Price on request