Halo 2um, 90A, AQ-C18 Back Catalog number: 941810-222 Manufacturer: Advanced Materials Technology Availability: In the manufacturer's stock Price on request - + Recommended 92814-507 HALO 90 Å RP-Amide, 2.7 µm, 4.6 x 75mm Price on request 92823-116 HALO 90 Å LPH-C18, 2.7 µm, 3.0 X 5mm, 3pk. Price on request 92713-414 HALO 1000 Å C4, 2.7 µm, 3.0 x 50mm Price on request