Fourlayer deep filtration for drinkable water: PP cotton, precompressed activated carbon, RO membrane, and post ultrafiltration activated carbon. This filtration sequence effectively removes residual chlorine and odors, delivering water that is suitable to drink directly. Strong adsorption and developed pore structure: The filter media are designed to maximize adsorption capacity, helping to reduce impurities and improve water taste and quality. Builtin activatedcarbon layer for fridge air freshness: An integrated carbon layer helps improve the air environment inside the refrigerator, contributing to a fresher overall fridge experience. Easy installation and maintenance: Before installing, please check the use and maintenance guide. Slide the filter into the housing and push it until it locks in place. For results, the water filter every 6 months to maintain the water quality. Practical use scenarios: Home kitchen with a fridge water dispenser or ice maker, for cleaner, bettertasting drinking water. Office break room or small kitchen where filtered fridge water is desirable for beverages and ice. Households concerned about residual chlorine and odors in tap water, seeking a straightforward, infridge filtration solution.