... rateL/Minheadm weight(g) YWQ12-06460*41*386V,9V,12V1.2 30.6 148 YWQ12-01360*41*386V,9V,12V1.6 21 ... 148 YWQ12-1510 60*41*386V,9V,12V4.51.51.5148YWQ12- ... constant pressure, filter, otherwise we can not guarantee this product.2. Keep a clean smooth flow of import and export of ...