Rack Universal Spring SP240, for SHO/SHR-2D

Silicone mattress for 4× 50ml test tubes, use with SK-R30S-E,10pcs/pack

Heating block, used for 5mL tubes, 6 holes

MS-H-ProT LCD Digital Hotplate Magnetic Stirrer with Timer，stainless steel with ceramic coated hotplate，heating temperature up to 340°C