3M Water Filtration Products ScaleGard HP Reverse Osmosis System w/ pre filter and RO Membrane (110V), 6239301

The 3M™ Undersink Reverse Osmosis Replacement Filter Cartridges for use in reverse osmosis drinking water systems include activated carbon in the pre- and post-filters, as well as the reverse osmosis thin film composite (TFC) membrane to provide filtered water for drinking, cooking, coffee and ice machines. An automatic shutoff valve promotes peak efficiency and water conservation.