1.mini centrifugal water pump 2.used in medical equipment,massage apparatus 3.flow:300L/H,head:1m 4.less than 35dB ... has passed ISO9001-2008 certification, With nearly ten years experience of design R & D, production, and sales in mini air pump, We ... most suitable products according to the special requirements of customers and OEM service, design service, buyer label offered. submersible water pump