Universal Compatibility Design: Standard size fits most mainstream water pitchers, easy to install without extra tools, direct replacement for old or worn-out filter cartridges. Safe & Food-Grade Material: Made of non-, non-woven fabric and activated carbon, no harmful substances released, safe for daily drinking water filtration. Sufficient for long-term daily use, reduces frequent replacement trouble and saves more cost for household water filtration. Premium Activated Carbon Filtration: Built with high-density food-grade activated carbon, effectively filters impurities, residual chlorine, odors and heavy metals in tap water, delivering cleaner and fresher drinking water. Efficient Filtration & Long Service Life: Fast water speed with stable filtration effect, normal service life of 4-6 weeks per filter, ideal for daily home kitchen use.