Now there is a choice! Yes, it is better! Our ProPurTM Big stainless steel water purification system is our most popular size unit and is ideal for medium size groups of 2 to 4 people, whether at home, office, vacation, camping or college dorms! The newest ProOne-G 2.0 7" filter element do it all - Increase pH, remove FLUORIDE, chemicals, sediment and other heavy metals - Advanced manufacturing technology combines silver impregnated white ceramic with new AquaMetix advanced media for removal of fluoride and other heavy metals - all in ONE filter element. No more add-on fluoride filters that slow down flow rate or hang into the lower container reducing fill capacity. Easy to install, use and clean - NO priming required. New ProOne filter elements are good up to 2,400 gallons per pair - Replace your ProOne filter elements just once a year. Save up to 15% on the cost of replacement filters over conventional dual filter systems based on factory recommended filter element replacement over 2 year period. New ProOne water and fluoride filter elements are tested to meet NSF/ANSI standards 42, 53 and 61. Ideal for use with just about any water source including lakes, rivers, streams, ponds and rain water. Due to the wide variety of contaminants that may be present in your water supply, the length of time the ProOne water & fluoride filter elements require for replacement and the amount of removal/reduction may vary. We recommend you replace your ProOne water and fluoride filter elements atleast every 12 months.