Halo 2.7um, 90A, C18 Back Catalog number: 942810-202 Manufacturer: Advanced Materials Technology Availability: In the manufacturer's stock Price on request - + Recommended 95812-902 HALO 90 Å C18, 5 µm, 2.1 x 250mm Price on request 93412-402 HALO 400 Å ES-C18, 3.4 µm, 2.1 x 50mm Price on request 92712-914 HALO 1000 Å C4, 2.7 µm, 2.1 x 250mm Price on request