* Delta Fresh ® is the registered trademark of Delta Fresh, the manufacturer of Delta Fresh ® brand water treatment equipment. The replacement filters and membranes listed above are not manufactured or endorsed by Delta Fresh. Rather, these filters and reverse osmosis membranes are manufactured by other companies. While these filters and ro membranes are compatible for use in Delta Fresh ® reverse osmosis systems and water treatment equipment, we make no representation as to whether using these filters and membranes is consistent with the warranty and specifications applicable to Delta Fresh ® water filter equipment. This includes compatible replacement sediment water filters, replacement Carbon Block Water Filters, GAC Carbon Filters, AICRO Inline Post Filters, CTA RO Reverse Osmosis Membranes, Sediment Pre Filters, faucets, water tanks, valves, pumps, UV Ultraviolet and water testing supplies.