This is a marine aquarium reverse osmosis system and is not suitable for drinking water as it is too pure. 

50 GPD/ 200 liter per day genuine Dow Filmtec membrane @50 psi, 300 LPD @ 100 psi 

Dow Filmtec TFC Membrane ( standard by which all other membranes are measured) NSF standard 58 

Ideal for auto top up on aquarium systems. No need to buy elaborate systems, add a float valve and you have a touch free system.

5 Micron pre filter

Dow filmtec RO Membrane

De-ionisation module for removing remaining 3% of contaminants

Includes 

Powder coated wall bracket 

Electronic control of Membrane cleaning and Pressure Control for Maximum efficiency. 

9L Pressurized storage tank