TSKgel PWXL Guard Column, 4cm × 6mm, 12μm Back Catalog number: 08033 Availability: In the manufacturer's stock Price on request - + Recommended N-46.250.0510 Primesep N, 250 x 4,6mm, 5µm Price on request OR-21.100.0510 Obelisc R, 100 x 2,1mm, 5µm, 100A Price on request B2-21.100.0310 Primesep B2, 100 x 2,1mm, 3µm Price on request