Are you bothering by the high demand on air or gas purity? Household Silent Oil-free Air Compressor Pump may be one of the best choice for you. OH210D is one type of our silent oil-free compressor motor pumps, suitable for various situations, such as medical treatment, machine, education, fermentation tanks, experiment equipments etc. where air purity is highly required. OH210D applys aluminium alloy ADC12 shells and superior quality fans, which guarantees superior heat dissipation and prolongs the longevity of compressor motor pump.