ULP1812-100 6.0ft² / 0.56m² 100GPD / 0.38m³/d 95.0% 93.0%. These filters also fit the Dental Surgery RODI Pure Water Filter System. DI Resin bag x 2. The reverse osmosis system works by pushing the water under pressure through a number of increasingly smaller filters essentially trapping all contaminants.
eBay