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RO Replacements

RO Replacements keep your reverse osmosis system working the way it should, with fresh cartridges and membranes that protect taste, clarity, and performance. Old filters can clog and slow flow, which can change flavor and put extra strain on your RO stages. Options range from sediment and carbon block cartridges to complete Smart Pack kits that bundle multiple stages in one purchase.

About RO Replacement Filters and Membranes

Reverse osmosis systems rely on a sequence of pre-filters plus an RO membrane to reduce dissolved solids and improve drinking water quality. Sediment filters catch grit and rust, while carbon stages help reduce chlorine and odors that can damage membranes and dull flavor. Popular choices include 10-inch standard cartridges, drop-in sets, and membranes sized for different production rates such as 50 GPD, 75 GPD, 100 GPD, and higher-output commercial formats.

Maintenance timing depends on usage and source water, so many owners follow a routine swap for pre-filters and a longer interval for the membrane. Warning signs include a drop in water pressure, slower tank refill, or taste changes that show up even after flushing. Matching the right parts starts with checking cartridge size, stage count, and membrane rating printed on your system labels.

Why Choose iFilters for RO Replacements products?

Selection matters because every RO system has its own sizing and stage layout, and iFilters stocks a wide range of compatible options for quick matches. Product pages help with in-stock status, ratings and reviews, and sorting tools so you can browse best sellers or narrow down what fits. Auto Ship keeps replacement timing consistent for households that want steady water quality without calendar reminders. Clear specs like micron ratings, cartridge dimensions, and kit contents help you choose confidently, whether you need one carbon block or a full replacement pack.

Shop RO Replacements online today!

Original price $49.99 - Original price $49.99
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The IF-TFM-75EB is a compatible replacement for the Everpure TFM-75-CV, TFM-75EB Reverse Osmosis Membrane. Features a 1/4 inch Quick Connect fittin...

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Original price $49.99 - Original price $49.99
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$49.99
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Current price $49.99
Original price $23.84 - Original price $23.84
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$23.84
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This Smart Pack IF4-HDG-SED-AC5 contains 4 (stage 1) 100% high purity polypropylene filters (1 year supply). The IF4-HDG-SED-AC5 high purity polypr...

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Original price $23.84 - Original price $23.84
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Original price $40.95 - Original price $40.95
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$40.95
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Current price $40.95

Hydro Guard HDG-CB-AC10 Carbon Block Pre-Filter – 4-Pack for AC30 & AC15 Systems Ensure cleaner, fresher water with the Hydro Guard HDG-CB-AC10...

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Original price $40.95 - Original price $40.95
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Original price $34.99 - Original price $34.99
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$34.99
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iFilters - Smart Pack Water Filters - These 1 Micron Polyester Pleated Cartridges are manufactured from durable polyester to provide you with a sup...

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Original price $34.99 - Original price $34.99
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Original price $7.50 - Original price $7.50
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Hydronix ICF Series Inline Filters utilize NSF listed coconut shell GAC and are designed to remove unpleasant taste and odor and reduce sediment to...

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Original price $7.50 - Original price $7.50
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Hydronix ICF-6Q inline Coconut shell carbon filters have 1/4" quick-connect connections and are suitable for Drinking water filtration applications...

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Original price $8.99 - Original price $8.99
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Original price $8.99 - Original price $8.99
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Hydronix SDC-25-0505 polypropylene sediment filters have a particle retention Size of 5 microns and are used in residential and commercial water fi...

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Original price $50.00 - Original price $50.00
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The Hydronix SDC-25-1001 polypropylene sediment filter is a 1 Micron rated filter. Its universal standard size fits any standard Reverse Osmosis, W...

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Original price $50.00 - Original price $50.00
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Original price $21.99 - Original price $21.99
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(3 Pack) The Hydronix SDC-25-1001 is a 1-micron polypropylene sediment filter designed for universal compatibility with standard Reverse Osmosis, W...

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Original price $21.99 - Original price $21.99
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Original price $7.83 - Original price $7.83
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Hydronix ICF Series Inline Filters utilize NSF listed coconut shell GAC and are designed to remove unpleasant taste and odor and reduce sediment to...

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Original price $7.83 - Original price $7.83
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Original price $7.99 - Original price $7.99
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The Hydronix SDC-25-0501 polypropylene sediment filter has a particle retention size of 1 Micron and is used in a small water filtration systems. T...

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Hydronix SWC-25-1001 polypropylene String wound filters have a particle retention Size of 1 Micron and are used in a residential and commercial wat...

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Original price $90.80 - Original price $90.80
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The Hydronix SDC-25-1001 polypropylene sediment filter is a 1 Micron rated filter. Its universal standard size fits any standard Reverse Osmosis, W...

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Original price $90.80 - Original price $90.80
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Original price $10.81 - Original price $10.81
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This 3/8" Quick Connect Hydronix ISF Series Inline Sediment Filters are designed to reduce sand, particles and sediment to produce cleaner, clearer...

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Original price $6.00 - Original price $6.00
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Hydro Guard HDG-SED-AC5 5-Micron Sediment Filter – Compatible with Culligan AC15 & AC30 Systems The Hydro Guard HDG-SED-AC5 Sediment Filter Car...

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Original price $6.00 - Original price $6.00
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Original price $137.95 - Original price $137.95
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This 40 pack of Hydronix SDC-25-1005 polypropylene sediment filter is a 5 micron rated filter. Its universal standard size fits any standard Revers...

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Original price $137.95 - Original price $137.95
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Original price $23.68 - Original price $23.68
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This Culligan Compatible Smart Pack IF2-HDG-CB-AC10 contains 2 Carbon block filters (1 year supply). The IF2-HDG-CB-AC10 Carbon Filter is a pre- an...

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Original price $23.68 - Original price $23.68
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Original price $39.07 - Original price $39.07
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3 Stage Aquarium Reverse Osmosis RO Replacement Water Filter Set with 100 GPD Membrane. For any standard compact Aquarium RO system with 1/4" tubin...

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Original price $39.07 - Original price $39.07
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Original price $15.99 - Original price $15.99
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The Smart Packs Inline Filters utilize NSF listed coconut shell GAC and are designed to remove unpleasant taste and odor and reduce sediment to pro...

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Original price $15.99 - Original price $15.99
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$15.99
$15.99 - $15.99
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Original price $29.99 - Original price $29.99
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These 5 micron Polyester Pleated Cartridges are manufactured from durable polyester to provide you with a superior pleated cartridge that is durabl...

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Original price $29.99 - Original price $29.99
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$29.99
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Original price $8.11 - Original price $8.11
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Hydronix SDC-25-0510 polypropylene sediment filters have a particle retention Size of 10 microns and is used in residential and commercial water fi...

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Original price $8.11 - Original price $8.11
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Original price $20.84 - Original price $20.84
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Hydro Guard HDG-CB-AC10 Carbon Block Pre-Filter – 2-Pack for AC30 & AC15 Systems Upgrade your water filtration system with the Hydro Guard HDG-...

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Original price $20.84 - Original price $20.84
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$20.84
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Original price $39.99 - Original price $39.99
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The iFilters IF-TFM-100 is a 100% comparable alternative to the Everpure TFM-100-CV Reverse Osmosis Membrane. It features 1/4 inch Quick Connect fi...

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Original price $39.99 - Original price $39.99
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$39.99
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Original price $15.99 - Original price $15.99
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Hydro Guard HDGT-SED5 First Stage Twist-Style Sediment Pre-Filter – OEM Replacement Ensure optimal filtration performance with the Hydro Guard HDGT...

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Original price $15.99 - Original price $15.99
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