Magnetic Stirrer with Hotplate, 7 Inch Ceramic Hotplate, Speed and Temperature Adjusting, with Timer and Display, max 20L Stirring Capacity, 50 to 1500rpm, up to 510°C(950°F): Amazon.com: Industrial & Scientific
SP88850100 Thermo Scientific Cimarec+ Ceramic Digital Hotplate Stirrer 10.25 x 10.25 | McQueenLabs.com
VEVOR Magnetic Stirrer Hot Plate, 200-2000 RPM Digital Hotplate Magnetic Stirrer, 2L Lab Heating Plate Stirrer, Max 536°F/280°C Heating Temperature, 500W Heating Power, for Laboratory Liquid Mixing - Walmart.com