Heating block, used for 50mL tubes, 4 holes

Reaction block for 50ml round bottom flask (one flask capacity), suitable for 280℃ and 340°C series

DryChill™ Ice-free Cooling Block, 12 x 15ml

RH25-6A Refrigerating/Heating Circulator, -25° to 100°C - 6L/min - 6L