Aquatic Life RO Buddie Reverse Osmosis Systems Add-On Drinking Water Kit with 2.8 Gallon Tank available, Amazon item B07371N7PT Sediment, Carbon and DI cartridges are up-front and easy to replace Typical Rejection Rate for filtering out the unnecessary ingredients is approximately 1 : 4.5 Included Faucet Adapter makes it easy to connect to standard male hose thread/bib NEW YORK CITY ONLY - Due to high city water sediment, additional pre-filtration required before use. Kindly contact Aquatic Life Customer Support: 888-548-3480