JavaScript seems to be disabled in your browser. For the best experience on our site, be sure to turn on Javascript in your browser.
We use cookies to make your experience better. To comply with the new e-Privacy directive, we need to ask for your consent to set the cookies. Learn more.
Low Prices and Fast Shipping
Since 1999
GE Osmonics ® Purtrex PX-5-978 Sediment Replacement Water Filter # 93023 9 7/8" 5 micron. High capacity.
Aqua-Pure AP110 2-Pack by 3M Purification ® For Premium Performance Filtration - aka AquaPure or Aqua Pure. 5 micron nominal. Product dimensions: 2.5” diameter by 9.8” length - This Aqua-Pure dirt & rust cartridge is made from an exclusive process using pure white celluose fibers. Reduces sediment Average life: 6 months (incoming water quality may affect cartridge life) Proprietary polypropylene manufacturing process Grooved surface increases total surface area for longer cartridge life than non-grooved filter cartridges Rigid construction helps to eliminate sediment “unloading” due to variances in water pressure System materials are FDA CFR-21 compliant
Water Factory CUNO 3M Reverse Osmosis Systems SQC3, SQC4 AND SQC4 PRO and replacement SQC water filters and RO reverse osmosis membranes in stock. N4000, N4500 and N5000 RO system filters. Low prices and fast shipping online since 1999. Volume discounts.
CUNO Water Factory N5000-TFC RO Reverse Osmosis Compatible Premium Replacement Water Filters and RO Reverse Osmosis Membranes. Low Prices, large selection and same day online order shipping since 1999.
Water Testing, TDS Meters and Water Test Supplies. Large selection, low prices and fast shipping online since 1999.
Replacement Faucets for 3M, CUNO, Aqua-Pure and Water Factory RO Reverse Osmosis and Under Sink Pure Drinking Water Filter Systems. Huge selection of styles and finishes in stock. Low prices and fast shipping online since 1999.
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