Test Tube rack for 15 x 50ml tubes Back Catalog number: B2000-4-T500 Manufacturer: BENCHMARK SCIENTIFIC Availability: In the manufacturer's stock Price on request - + Recommended H5100-5MT Block, 8x5ml centrifuge tubes, for MultiTherm Touch Price on request 57609-01 ML600 DILUTER ASSY Price on request H1010-SH Shelf, 14 x 5.5" for Petri dishes, plates, trays, etc. Price on request