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 B3D-FLAT Flat Mat, small 10.5" x 7.5" Price on request ML615-CNT DUAL CNT DISPANSER BASIC Price on request LEV400T-V EV400TOUCH-V Rotary Evaporator Price on request