High Compatibility: The countertop water filters are compatible with most gravity filtration systems on the market, including Berkey, Travel, Light, Royal, Imperial, Crown, and more, meeting everyday usage needs. Cost-Effective: Each pair of filters provides sustainable filtration for up to 6,000 gallons, with replaceable filters to meet ongoing needs. Two-Stage Filtration Design: Combines a ceramic outer shell with internal activated carbon to eliminate harmful contaminants like chlorine, trihalomethanes, organic and inorganic arsenic, mercury, and lead, while retaining beneficial minerals like calcium, magnesium, and potassium. 99.9% Effective Chlorine Removal: The gravity water filter provides effective filtration with fine pores that remove 99% of chlorine from water. It improves water taste and reduces heavy metals, sediments, rust, soil, and other impurities. Premium Coconut Activated Carbon: The water filter uses food-grade coconut activated carbon. The carbon granules are uniform, effectively reducing odors and improving taste as water passes through.