1. Five stage RO system. PP sediment, GAC, Carbon block, RO membrane, Post carbon. 
2. CE certificate for whole RO system and NSF spare parts. EW-TFC membrane, PP sediment, pressure tank, filter housing have NSF certificate
3. 3.2G metal tank or 4.0G plastic tank for Option.
4. Quick fitting for Option.
5. Indicator for working situation and online TDS meter for option.
6. Dust proof cover for option.
7. 50GPD/75GPD/100GPD are available
8. OEM and ODM business is welcome and we can show customers brand on our system