Quick Change RO System

We are offering quick change r.o. Water systemstandard equipment: 1. 4-way shutoff valve 2. 4 stages filter: 1st:pp(quick change) 2nd: gac(quick change) 3rd: 50gpd(quick change) 4th: gac(quick change) 3. Quarter-turn long reach faucet. 4. Metal storage tank 4 gallons. 5. Include tubes, water feed adapter, ball valve..etc. features: 1. compact size 2. quick change(no need tools) 3. electronic pump set 4. all quick connectors 5. quick change membrane 6. quick change post carbon.