Replacement water filters, RO reverse osmosis membranes and whole house filter systems. Refrigerator water filters, pool and spa filter. Pentek, OMNIFILTER water filters. Chiller Daddy water chillers
Large selection of replacement water filters, reverse osmosis membranes, testing kits and water filter system repair parts. From one water filter or membrane to case quantity discounts.
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See Residential Dow Filmtec reversers osmosis membranes
FILMTEC XLE-2521 RO Reverse Osmosis Membrane Element
FILMTEC™ XLE-2521 Elements offer better system performance and economics for small commercial systems by operating at very low applied pressure. FILMTEC XLE-2521 elements are tape-wrapped. In addition to high quality water and low energy costs, FILMTEC membranes also deliver savings by providing long lasting and reliable performance.
Dow 111 Silicone MSDS Safety Sheet
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