Cheap And Discounts 200x21x5mm 12V/24V Thermostat PTC Aluminum Heater Plate Constant Temperature 70/110/200 Degrees ptc Heating Element Wholesale. Buy Directly From Merchant LUJINXUN Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.