Halo 2um, 90A, PFP Back Catalog number: 941810-209 Manufacturer: Advanced Materials Technology Availability: In the manufacturer's stock Price on request - + Recommended 94315-614 HALO 400 Å C4, 3.4 µm, 0.5 x 100mm Price on request 91813-101 HALO 90 Å HILIC, 2 µm, 3.0 x 5mm, Guard Column 3p Price on request 92813-504 HALO 90 Å ES-CN, 2.7 µm, 3.0 x 75mm Price on request