SI Silica Gel 5g/35mL Pk 20u., 20/pk Back Catalog number: 5105 Manufacturer: APPLIED SEPARATIONS Availability: In the manufacturer's stock Price on request - + Recommended 13542 Empty Glass Column, Borosilicate glass, 6mL; luer Price on request 13460 Column Outlet, Long Tip, Reusable,direct transfer Price on request 13539 Filling Tool, 9mm diam. Price on request