Cogent Silica-C, 50 x 2,1mm, 4µm Back Catalog number: 40000-05P-2 Availability: In the manufacturer's stock Price on request - + Recommended 575150-912 ZORBAX EP Phenyl-Hexyl,30x150mm,5um 7 100,04 € 79820 PRP-1 5µm 4.1x250mm Price on request 79441 PRP-X200 10µm 4.1x150mm Price on request