This high-quality ice maker kit will provide you with clear and sparkling ice cubes and drinking water at your refrigerator by routing purified water from your existing reverse osmosis system. You will never have to spend money on small, ineffective and expensive refrigerator filters ever again. his ice maker kit includes everything you will need to quickly and easily connect your refrigerator and reverse osmosis system. t includes one quick-connect “tee” fitting, one quick-connect shut off ball valve and 16 feet length of 1/4 inch food-grade poly tubing. he “tee” fitting diverts the ro purified water between the fridge and ro faucet giving access to both outlets. The ball valve can be used to shut off water flow to the fridge. and most standard under-counter reverse osmosis systems using 1/4 inch tubing and connectors.