... -0.5MpaLifetime: 1-3 yearsApplication: various no pump water purifierIllustration:RO membrane's producing water TDS value is related to ... RO filter system,filter cartridge,RO membrane, water purifying faucet,quick connector,Nylon connector, water pump, water quality's testing pen, ... . Thanks and best regardsJessica HoInternational Trade Department no pump low-pressure RO membrane/125G,200G,400G no ...