Particles held back, before everything else.
Water passes through a screen, spin-down or cartridge rated by the size of particle it holds back. It protects the equipment downstream; it is a physical stage, not a health claim.
- Who it suitsWells and old pipework that carry sand, grit or rust particles
- What it needsA micron rating matched to the particles, and access to service the housing
- What it won’t doMake a health claim for microbes or chemicals.
- Where it goesFirst in line, ahead of softeners, filters and UV