| Item | Detail |
|---|---|
| Media | PP cotton (melt-blown polypropylene) pre-filter that captures sediment and particles |
| Visible effect | The white cartridge discolors as it loads, so the transparent handle doubles as a replacement indicator |
| Catalog models | ZH2091T (clear handle, chrome multi-function head), ZH2382 (silicone-bristle face, white PP cartridge in a clear handle) |
| Refill SKUs | PP Filter and PP Filter-2 cartridges in clear housings, single or multi-pack |
| Combination | Used as the first stage ahead of ACF, calcium sulfite or mineral beads in multi-stage cartridges |
| Markets | Older pipework, well water, and regions with intermittent supply where rust and sand are common |
| Sourcing | MOQ from about 2,000 units for many projects; custom packaging from 2,000 |
What a PP cotton stage does
PP cotton is a physical filter: a dense web of polypropylene fibers that traps rust flakes, sand and scale particles while water passes through. It does not react with chlorine or change water chemistry; that is the job of ACF or calcium sulfite in later stages. Its value is protecting the spray face from clogging and giving the user a visible signal, because the white cartridge turns brown as it loads.
ZHONGHE fits PP cotton as a standalone cartridge in models like ZH2091T and ZH2382, and as the first stage in mixed cartridges. The refill cartridges PP Filter and PP Filter-2 are listed in clear housings so the discoloration remains visible in the refill pack.
Models and how they differ
ZH2091T pairs a clear handle showing the white cartridge with a chrome multi-function head and selector, a mainstream retail format. ZH2382 is a specialty model with light blue silicone bristles on the spray face, a stop button on a chrome band, and the PP cartridge visible in the handle, positioned for baby and scalp-care channels. Other transparent models can be specified with a PP stage inside a mixed cartridge.
Ordering PP cotton shower heads and refills
Because a sediment cartridge is replaced more often in hard-used markets, plan the refill SKU and its multi-pack from the start. State the cartridge count per retail pack, whether the head ships with one cartridge installed, and the packaging format. Existing molds move to production in about 30 days as a guide; every unit is water tested for about 10-15 seconds before packing.
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