A pre-filter cartridge is the first line of defense in your RO or water purification system. It removes sediment, dirt, sand, rust, and larger particles before water reaches the more delicate RO membrane. Using materials like polypropylene (PP) spun or string-wound fibers, a good pre-filter cartridge protects downstream filters, counts toward better water flow and longer lifespan of your whole purification unit. Replace your pre-filter cartridge every 3 to 6 months (depending on water quality and usage) to avoid clogging, bad taste, or reduced filtration. For Delhi NCR homes, genuine pre-filter cartridges are available from trusted dealers & online stores at affordable rates.

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