CLEAR HOUSING - See-through housing allows you to visually inspect the filter and know when it's time for a filter change.ULTRA SAFE - Includes a standard 5 micron Carbon Block Cartridge that removes 95% of chlorine, odors, sand, silt, sediment and rust from your drinking water. Tested by independent third-party to meet NSF/ANSI Standards.EASY INSTALLATION - No drilling required. Portable and easy to install. Sleek and efficient design offers a natural look on any counter. Perfect for small spaces.COMPLETE FILTRATION - A standard 10 inch CTO cartridge, a plastic wrench, two faucet adapters, tubing and O-ring included for a leak-free install.TOP-NOTCH SUPPORT - 30 day money back guarantee, 1 year limited warranty and lifetime technical support from Atlanta, Georgia.LOW MAINTENANCE - It is recommended to replace the filters (FC15) every 6 months.PLEASE NOTE - Unlike an RO membrane, this countertop water filtration system DOES NOT reduce Total Dissolved Solids