You should not need anything else as long as you have a utility tub that has a threaded faucet. The units come with a threaded sink adapter. If you don't have a threaded faucet you will need a faucet adapter to work with your faucet. If you check the sponsor specials forum you'll see We have 75GPD units on sale that have many more features than the kent units. They come with a pressure gauge, waste water auto shutoff, drain saddle valve and 4 stages instead of 3. They are $139.99 with free shipping.