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The Philips WP3977 is a replacement filter cartridge for under-sink water purifiers. Its CB antibacterial activated carbon block reduces residual chlorine, heavy metals, soluble lead, volatile organic compounds (VOCs) and pesticides in tap water for better-tasting drinking water. Each cartridge lasts approximately 4000 litres or 1 year and features a disposable design for simple replacement. Hong Kong version.
The activated carbon block adsorbs contaminants across multiple filtration layers while helping to inhibit bacterial growth.
