1.Block Heater. 2.ISO,CE Passed. 3.3years warranty. ... Hotplate,Stirrer,Stirrer Hotplate,Melting Point Device,Sampler Concentration,Block Heater,Vortex Mixer,Cold Keeper,Mixer Incubator, Rocker ... , Shaker, Roller Mixer, PCR,etc.Applications:Block heater is designed for widely use in Chemical, Biochemical ... and run for the two different blocks.Various block inserts can be chosen for different tubes ...