Rotavac Valve Tec, Heidolph Back Catalog number: 591-00160-00 Availability: In the manufacturer's stock Price on request - + Recommended H5000-12 Block, 24 x 12mm Price on request R4040-1520 6 x 1.5/2.0ml tube holder, pack of 2 (Installed for vertical or horizontal mixing) Price on request BSH5002-E myBlock ll™- digital dry bath, dual chamber, without blocks, 230V Price on request