TEC2-19003 30*30*6.7MM double-layer semiconductor electronic refrigeration sheet

TEC2-19003 30*30*6.7MM double-layer semiconductor electronic refrigeration sheet Special reminder: https://360plcworld.com can pay online. If you need more product pictures, more quantity, or other questions. (E-mail: sales@360dcs.com what app: +86 18602167154)