Insulation Cotton Washer For TEC1-12706 Thermoelectric Cooler Peltier 100% brand new and high quality Features: With single-sided adhesive sticker makes insulation cotton washer more convenient to use. When used for refrigeration installation, the insulation cotton washer can shoulder pressure. When working, it can effectively isolate the heat transfer thus make the refrigeration effect better. Simple and lightweight design. Fit for TEC1-12706 Thermoelectric Cooler Peltier. Specification: Material: Foam Color: White