If you're tight on space or you simply want a system you can hang from a wall or mount in a trailer, truck, or van this system is an excellent choice.

Complete with a Carbon/Sediment pre-filter, (2) RO Membranes, and a DI post-filter.

This system will run 2 poles at one time with adecquate water supply.

Tucker 4 Stage Wall Mountable RO/DI System Battery Powered