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HJC RO Membrane 1812-80 3G 4G – High TDS Water Purifier Filter India
HJC RO Membrane 1812-80 3G 4G – High TDS Water Purifier Filter India
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RO purifier slow output or high TDS in purified water? The HJC 1812-80 RO membrane (3G/4G) is the replacement membrane for domestic RO water purifiers — the core filtration element that removes dissolved solids, heavy metals, and bacteria.
What Is the RO Membrane?
The RO (Reverse Osmosis) membrane is the primary filtration stage in RO water purifiers — a semi-permeable membrane that filters water at the molecular level. It removes dissolved solids (TDS), heavy metals (arsenic, lead, fluoride), bacteria, and viruses. The membrane's pore size (0.0001 micron) is so small that only water molecules pass through — all contaminants are rejected.
1812-80 — Membrane Specification
1812 = dimensions (1.8 inch diameter, 12 inch length). 80 = 80 GPD (gallons per day) output capacity. This is the most common domestic RO membrane size used across Indian RO brands — Kent, Aquaguard, Eureka Forbes, HJC, Dolphin, and most local-brand RO purifiers use 1812-size membranes.
3G/4G — Advanced Membrane Technology
3G and 4G designations indicate advanced membrane formulation — higher rejection rates, faster output, and better performance at high TDS levels. Particularly important for cities with TDS above 500 ppm (common in many Indian groundwater-dependent cities).
Key Features
- HJC 1812-80 RO membrane — 3G/4G high-performance
- 80 GPD output — suitable domestic RO purifiers
- Compatible most Indian RO brands using 1812 size
- High TDS performance — for Indian groundwater conditions
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FAQ
Q: How often should I replace the RO membrane?
Every 2–3 years under normal use. Replace sooner if TDS of purified water increases significantly or output drops drastically.
Q: Is this compatible with my Kent or Aquaguard RO?
Most Kent and Aquaguard models use 1812-size membrane. WhatsApp your RO model for confirmation before ordering.
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