Block for Visible, for 4ml vials, 15mm*12 (D.35mm) Back Catalog number: MU22-00-0233 Availability: In the manufacturer's stock Price on request - + Recommended 2241 TEST TUBE SHAKER/MIXER TK3S Price on request 591-26000-00 Manual vacuum controller, Heidolph Price on request 10103471 ML725-DIL Dual Diluter Premium Price on request