... Origin: Zhejiang,Website:http://www.ydget.com, China (Mainland)Brand Name: YUANDAModel Number: KBWname: heatless adsorption air dryerPackaging & DeliveryPackaging Details ... less than 12%.Excellent barrel design: to save 95% of the absorbed heat. The stored heat is ... , automatic switchover, stable and reliable work performance, free from the influences of power network, voltage and electric field, ...