Compact r.O. System4-way shutoff valve 5 stages filter: 1st:12" in-line sediment filter aip-12 2nd: 12" in-line carbon filter aic-12 3rd: 12" in-line carbon filter aic-12 4th: 50gpd membrane 5th: 10" in-line carbon filter aic-10 Standard long reach brass faucet Storage tank 2.2 gallons (built-in) Include tubes, water feed adapter, ball valve...Etc. Operating pressure: !u50psi ( if use no booster pump )