Heat Pump Parts 1Material:Sb,Bi,Se,Te,Sn 2Hot ... ,can generate capacity 4 OEM service 21st Fast cooling, Multipurpose Heat Pump PartsProduction SpecficationItem No. TEC1-04906 Item Size 25 ... 100pcsUnique Selling Points:1. Fast cooling only in 3 seconds, long time keep in low temperature.2. Customer design only in ... , only if you have any requirements. 21st Fast cooling , Multipurpose Heat Pump Parts