... RO water system, RO water purifier:Key Specifications/Special Features for EW-RO-450AL/H RO water filterRating output: 450L/h ... the pressure of flow pipe, produce water, supply water, and pause by water overfull or lackAutomatic RO membrance flushing 2 ... each hourForce pretreatment backflushApplication: factory, hotel, unit, the group places, and more EW-RO-450AL/H RO water filter for industrial use