EASY RO SYSTEM: Hooks up to most STANDARD FAUCET in minutes; Just plug and drink purified water! Lightweight, installation-free system; It’s NOT compatible with pull-out faucets, special size designer faucets and sprayer faucets. WATER EXPERTS: For over 20 years, APEC has provided affordable and reliable reverse osmosis drinking systems. The RO-CTOP is no exception to this, and offers premium USA made filters meant for better purification results and long lasting. PURIFIED WATER: With four filtration stages, you can not only expcet to taste the difference, but see it too with clear ice cubes. Harmful impurities like Arsenic, Lead, Mercury, PFAs, Chlorine, and much more are removed with 99% rejection rate of TDS. HIGH FLOW OUTPUT: Bottled water quality without the cost, and all you'll consume in a day, the RO-CTOP produces 90 gallons of purified drinking water each day (at 60 psi water pressure). PORTABLE RO SYSTEM: Perfect for apartments, condos, motor homes, retirement homes, seniors, students & travelers, the RO-CTOP offers a solution for many circumstances in which installation of a traditional RO System is no feasible or practicle.