I install them quite often. The key to a good system is the maintenance. Most I have installed are the two canister, one paper wound and one carbon. Carbon is for taste and odor, paper or string wound is for sediment. Keep it simple and remember the better it filters, the shorter the life of filter, the more restrictive it is. (pressure) Single containers are fine; just change it a minimum every 3 months or what is dictated by gallon usage.