The countertop water filter dispenser is a popular option for renters and homeowners. This water filter for sink has the easiest setup and requires NO drilling. Simply attach the water filter to your faucet and instantly enjoy clean water. iSpring offers a variety of sink water filters. The simplest model is the iSpring CKC1C countertop water filtration system. This water purifier Includes a standard 5-micron carbon block cartridge that removes 95% of chlorine, odors, sand, silt, sediment, and rust from your drinking water.-The high quality coconut-shell carbon block filter turns tap water into cleaner, healthier drinking water. -Cleaner Water Straight from the Tap - The water purifier for faucet is perfect for campers, RVs, apartments, and houses- Universal Parts for Easy Replacement: The replacement cartridge is 2.5"x10" standard-sized carbon block filter - The counter water filter Includes filter housing with countertop stand, carbon block filter, dispensing spout, diverter valve, tubing for installation, wrench, and manual. -This faucet water filter for the kitchen sink is NOT expected to eliminate TDS, instead it keeps healthy minerals in the water. If you are looking for a filter that lowers the TDS value, please consider our iSpring tankless under sink Reverse Osmosis (RO) system RO500 or countertop RO water filter system RCT600.