Minimum filter change is every 6 months for the sediment prefilter and every 12 months for all carbon filters. Change more often if your usage is higher than normal or you have bad incoming source water.
GE Osmonics ® Purtrex PX-5-978 Sediment Replacement Water Filter # 93023 9 7/8" 5 micron. High capacity.
Pentek # 151121 O-Ring For Slim Line Water Filter Housing Compatible With Culligan / Ametek / US Filter / Plymouth / Kleen Plus / American Plumber / Bruner & Many Other Brands. O-Ring For Slim Line Water Filter Housing. Buna-N FDA Grade. (Slim Line Housings Use A 3 1/2" diameter "O" Ring) Ametek # 151121 Same as Culligan OR-38 O-ring.
4 Gallon Reverse Osmosis Tank GGN-Tank-4 Pro 3.2. This is the perfect replacement tank for most RO reverse osmosis systems. Stainless Steel valve connector. Perfect replacement for all home RO reverse osmosis drinking water systems.
Water Testing, TDS Meters and Water Test Supplies. Large selection, low prices and fast shipping online since 1999.
Water Filter System Parts Department. Find replacement filters, reverse osmosis membranes and repair parts for all major brands. Large selection and in stock inventory. Low prices and fat shipping online since 1999.
Reverse Osmosis Replacement RO Water Accumulator Tanks. Large and small water storage tanks made of SS Stainless Steel, plastic and standard steel. All connecting supplies such as valves, Tees, poly tubing, booster pumps and faucets. Large selection, low prices and fast shipping since 1999.
Replacement Faucets for RO Reverse Osmosis and Pure Drinking Water Filter Systems. Huge selection of styles and finishes in stock. Low prices and fast shipping online since 1999.
John Guest Poly Tube for RO Reverse Osmosis and Water Filter Pure Drinking Water Filtration Systems. Large John Guest tubing inventory, low prices and fast shipping since 1999.
Chiller Daddy Under Sink Water Chillers - Enjoy chilled water from your RO Reverse Osmosis or drinking water filtration system. Perfectly chilled water at your tap. Large selection, low prices and fast shipping since 1999.
UV Ultraviolet Disinfection and Sterilizing Lamps Kills Viruses. Disinfect and sterilize your drinking water for safe water from your RO reverse osmosis, DI or ultra filtration system. Large UV Ultraviolet lamp inventory, low prices and fast shipping online since 1999. DIY HELP Guides.
How To Check Tube & Fitting Size. Be sure to check and order the correct size needed for your system. Online service and trouble shooting guide for reverse osmosis drinking water systems.
Learn How To Upgrade The GPD Capacity of Your Reverse Osmosis Membrane. Easy instructions with our online guide. Low prices and fast shipping since 1999. Volume Discounts.
Simply enter your Feed Water TDS and RO Water TDS into the boxes above and click "Submit". The percentage of TDS Rejection will be displayed. We normally recommend membrane replacement once you drop below 75%. This may vary in areas with high TDS in the feed water.
See our selection of TDS meters under Water Tests
* 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.