1.Block Heaters. 2.ISO,CE Passed. 3.3years warranty. A & E Lab HK.Major Products: Hotplate,Stirrer,Stirrer Hotplate,Melting Point Device,SamplerConcentration,Block Heater,Vortex Mixer,Cold Keeper,Mixer Incubator, Rocker, Shaker, Roller Mixer, PCR,etc.All insert blocks made from anodized aluminum with identical dimension (75WX95LX50H) and can be used in any combination except the 96X0.2 blocks.We ...