Profile: Pure Water Pro.Com, Inc. specializes in water filters. Our product line includes reverse osmosis & commercial osmosis filters, water softners & coolers, whole house, under sink, counter top filters. Our pure water pro under the sink filter is designed for specifically for purifying water. We use a high grade (norit) carbon and an ingredient called KDF. Our filter has 6 times the amount of carbon then the 10 inch spin down filters sold in stores. Our Proline plus® is featured with membrane flushing assemblies, 3/8" tubing tank and quick connecting EZ fitting.