Due to poor water quality in our area (well most areas) we have an under the sink RO in the stix and brix. Currently our trips are confined to a week here and there and we get by with a 5 gal jug fil...
myself, I would go with something like this or you could just get the genaric filter housings like I did and build your own set up. I went with 4 stages but two are just carbon blocks
