What does prefilter mean in practice?
The stage before the device absorbs impurities that could clog, poison or damage the next element.
When does it matter?
Its task results from the requirements of the protected technology, so the mechanical insert will not replace the protection of the membrane against chlorine.
Which solutions are related to it?
The next stage specifications are checked and the combination of sedimentation, carbon or other media with pressure drop control is selected.