Discover the Difference WaterChef"s C7000 Premium Countertop Water Filter System is the smarter way to reduce a broad range of tap water contaminants, eliminate the waste and expense of plastic bottles and small filter cartridges, and enjoy cleaner, healthier, great tasting water for drinking and cooking. This stylish, space-saving system connects directly to your faucet (without tools) in just minutes! Enjoy premium quality water with greater savings and convenience.Powerful Big Block Filtration - Filter More. Spend Less. Exclusive Big Block Filtration technology maximizes the reduction of a broad range of common tap water contaminants (including Chlorine, Chloramine, Lead, Benzene, Cysts, Trihalomethanes, VOCs & MTBE) and delivers up to 1,000 GALLONS per cartridge! For most households that"s ONE cartridge/year! (Compare that to the small cartridges found in pitcher filters, faucet filters and refrigerator filters that require as many as 25 replacements per year!) And, fewer cartridges means less waste too!Intelligent Monitor Intelligent Monitoring takes the guesswork out of cartridge replacement. Unlike other systems with simple time-based monitors, WaterChef monitors actual usage, so you will never discard a cartridge prematurely, or continue using one that has exceeded its capacity again!NSF Certified - Performance You Can Trust. Take comfort in knowing that all WaterChef systems are Tested & Certified by NSF International, the water industry"s leading authority. No other independent testing program requires the strict compliance standards imposed by NSF. LIFETIME Limited Warranty! Made from the finest materials and backed up with one of the longest, most comprehensive warranties in the industry!