... indispensable process. The main structure: barrel body, baffles, manhole, gauge, filter head, filter, into the water pipes, drains and flushing ... is red. The main structure: barrel body, baffles, manhole, gauge, filter head, filter, into the water pipes, drains and flushing ... , etc., desalination rate of more than 99.6 percent, in line with national standards to produce pure water, the host section ...