
Post Carbon Filter ST33 / KB33 (Nano-Silver Composite)
Nano-silver composite post filter that polishes taste and keeps the last metre antibacterial.
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The C25R platform plus a nano-silver post carbon filter for polished taste.
| RO Membrane | CN-1812-100G |
|---|---|
| Combo Filter | F-210 (PP + Carbon Block) |
| Post Filter | ST33 / KB33 nano-silver carbon |
| Filtration Precision | 0.0001 μm |
| Water Source | Municipal tap water |
| Inlet Pressure | 21–70 PSI (1.5–5 bar) |
| Filter Replacement | Every 12 months |
The KB-C25RP adds a post carbon stage to the proven C25R platform. After the membrane, water passes through a nano-silver composite carbon filter that rounds off the taste — the difference you notice in the first glass.
Everything else stays refreshingly simple: pumpless and electricity-free operation, auto membrane flushing, food-grade PP5 materials, and consumables that anyone can replace once a year.

Nano-silver composite post filter that polishes taste and keeps the last metre antibacterial.
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The flagship pumpless RO system — 0.0001 μm pure water from tap pressure alone, one filter change a year.
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Antibacterial 3.2-gallon pressurized metal storage tank for RO systems.
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