PUR 18 Cup Dispenser PUR CLASSIC WATER FILTRATION DISPENSER: PUR's 18-cup water dispenser fits in your fridge for easy, quick access to cleaner drinking water. The PUR water filter removes up to 96% of mercury and helps reduce the taste and odor of chlorine in tap water. DISPENSER WATER FILTERS: PUR Basic pitcher filters are certified to reduce 22 contaminants. They provide 40 gallons of filtration (1-2 months of typical use). Only PUR pitcher filters are certified to reduce contaminants in PUR pitchers & dispensers. WHY FILTER WATER? Home tap water may look clean, but may contain potentially harmful pollutants & contaminants picked up on its journey through old pipes. PUR water filters, faucet filtration systems & water filter pitchers reduce these contaminants. SUPERIOR WATER FILTRATION: PUR Basic pitcher water filters reduce 22 contaminants, including chlorine, by using activated carbon & ion exchange. Using a PUR water filter for tap water is more affordable than bottled water, save up to $1,000 per year. WATER SHOULD BE PUR: PUR has been providing families with water filter systems for over 30 years. Compare PUR products to water filters from Brita, Kenmore, Berkey, Frigidaire, ZeroWater, Sawyer, Culligan, Aquagear, Soma, Amana and Aquasana.