Heating block, used for 50mL tubes, 4 holes-H

Block , 24 x 2ml HPLC/ Autosampler Vials (12 x 32mm)

MS-H340-S4 4-Channel LCD Digital Hotplate Magnetic Stirrer，stainless steel with ceramic coated hotplate，heating temperature up to 340°C

tube holder frame to hold 3 tube holders