Block for Visible, 12 x 22mm, depth 50mm, round Back Catalog number: MU22-00-0881 Availability: In the manufacturer's stock Price on request - + Recommended BSWNMR Block, 30 x NMR tubes Price on request BV1000-FLAT Vortexer Flat head Price on request B3000-RIN2 Replacement sealing ring, (GL32), 10/pk. Price on request