3. The four hollow copper tubes with refrigerant inside quickly provide heat for higher cooling efficiency. 2. It can be used to make small refrigerators, mini air conditioners or cooling devices for PET. 4. The cooling block has large area that can contact more air for quick cooling. 1. The thermoelectric cooler adopts 12715 refrigeration module, which has better cooling effect. 5. Using high quality aluminum material, low noise, work stable, convenient to use., Manufacturer: CTRLZS
3. The four hollow copper tubes with refrigerant inside quickly provide heat for higher cooling efficiency. 2. It can be used to make small refrigerators, mini air conditioners or cooling devices for PET. 4. The cooling block has large area that can contact more air for quick cooling. 1. The thermoelectric cooler adopts 12715 refrigeration module, which has better cooling effect. 5. Using high quality aluminum material, low noise, work stable, convenient to use., Manufacturer: CTRLZS
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