reverse osmosis

I'm in the hunt for another RO-DI system and I saw this at BRS: http://www.bulkreefsupply.com/store/75-gpd-ro-di-5-stage-standard-system.html What type of things do you look for in a RO-DI system? Do you think I am over-looking anything? Are there any features that do not come with this...

Air Water & Ice, The H2O Guru, Lifetime Warranty Greetings! This is a friendly quarterly reminder for you to check your reverse osmosis water systems filters and membrane. All systems should get the pre-membrane filters replaced at least annually. If you have poor water to begin with...