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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Kemflo Reverse Osmosis Replacement Water Filters and RO Membranes

Kemflo Reverse Osmosis Replacement Water Filters and RO Membranes

Kemflo Compatible 5 Stage Reverse Osmosis System Compatible Replacement Water Filters and Reverse Osmosis RO Membranes

The 2 most common RO systems from *® Kemflo are the 4 stage and 5 stage systems similar to those shown here. Both systems use the same membranes and repair parts. The only difference is the addition of an extra carbon prefilter in the 5 stage system.

Kemflo 4 Stage Reverse Osmosis System

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Easy TDS Membrane Performence Calculator
See If It is Time To Replace Your Membrane

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


Be sure to check our Parts Department for important parts such as TDS Testers For Reverse Osmosis Membranes, Replacement Tanks, O-rings , Filter Housing Wrenches, Faucets, Pumps, Fittings, UV Systems and more parts for your reverse osmosis pure water filtration system.   View maintenance and servicing tips online at our Installation & Trouble shooting Guide.


* Kemflo ® is the registered trademark of Dow, the manufacturer of Kemflo ® brand water treatment equipment. The replacement filters and membranes listed above are not manufactured or endorsed by Kemflo. Rather, these filters and membranes are manufactured by other companies. While these filters and membranes are compatible for use in Kemflo ® brand water treatment equipment, we make no representation as to whether using these filters and membranes is consistent with the warranty and specifications applicable to Kemflo ® equipment.