... indispensable process. The main structure: barrel body, baffles, manhole, gauge, filter head, filter, into the water pipes, drains and flushing ... equal to 4, are strong oxidants chlorine, there are various types of membrane damage, in particular, reverse osmosis membranes are ... is red. The main structure: barrel body, baffles, manhole, gauge, filter head, filter, into the water pipes, drains and ...