Adapter Caps for 1,3,6ml SPE Tubes Back Catalog number: 80114 Manufacturer: Labstore Availability: 4 weeks Price on request - + Recommended 11631 Rack* for 3mL SPE-Cartridge Price on request 81203 Cover, gasket, & 12 stopcocks Price on request 80101 SPE Manifold needles, polpyropylene Price on request