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RO Filters
Clean drinking water starts with the right filtration stage, and reverse osmosis setups rely on dependable replacements to keep performance consistent. RO Filters cover the key cartridges used before and after the membrane, so taste stays crisp, and flow stays steady. Options commonly include sediment prefilters that trap sand and rust, carbon block cartridges that reduce chlorine and odor, and polishing filters that improve final flavor. Auto Ship is a simple way to stay on schedule, especially for kitchens that run daily for cooking, coffee, and refill bottles for families, apartments, and offices. Every home has different water conditions, so choosing the right micron rating and media type matters.
About RO Filter Products
Reverse osmosis replacement filters are designed around common sizes used in standard systems, including popular 2.5" x 10" formats for housings and stages for under-sink and compact countertop units. Sediment cartridges typically handle coarse particles first, helping protect carbon stages and the membrane from early clogging. Carbon block and coconut shell carbon options focus on chlorine, taste, and chemical reduction, which support membrane longevity and improve the water you drink. Post polishing choices, including inline GAC filters for fridge ice and drinking lines, help maintain a clean finish at the tap. Many households replace stages on a timed cycle, yet actual timing can shift based on water usage, pressure, and local water quality.
Why Choose iFilters for RO Filter Products?
iFilters makes it easy to match the correct replacement without guesswork, thanks to clear product details, standard sizing, and reliable availability for in-stock items. Shoppers can sort by best-selling, compare ratings, and choose from a broad range of trusted brands and in-house options with pricing that fits maintenance budgets. Auto Ship helps prevent lapses, so filters arrive before performance drops and the system starts to slow down. Fast shipping and an inventory built around common RO setups support quick maintenance, whether you are refreshing a single stage or rebuilding a full set. Support resources also help you confirm compatibility with your housings, tubing, and stage layout.
Shop RO Filter Products online today!
iFilters CBSM-2510 Coconut Shell CTO, Carbon Block Drinking Water Filter, 2.5 x 10, 0.5 Micron
4.31 / 5.0
13 Reviews
iFilters CBSM-2510 Coconut Shell CTO Carbon Block Drinking Water Filter – 2.5" x 10", 0.5 Micron High-Performance Filtration for Clean, Great-Tasti...
View full detailsHydronix CB-25-1005 Whole House RO Drinking Water Coconut Carbon Block Water Filter 5 m 2.5" x 10"
Hydronix CB-25-1005 Whole House RO Coconut Carbon Block Water Filter – 5 Micron, 2.5" x 10" Premium Carbon Block Filtration for Cleaner, Better-Tas...
View full detailsHydronix SDC-25-1005 polypropylene sediment filters have a particle retention Size of 5 microns and are used in residential and commercial water fi...
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RO Post Polishing Fridge Ice Inline Coconut GAC Water Filter, 2000 Gal, 1/4" NPT
Hydronix ICF-10 inline coconut shell carbon filters have 1/4" npt connections and are suitable for drinking water filtration applications. The coco...
View full detailsHydronix SDC-25-1005 polypropylene sediment filters have a particle retention Size of 5 microns and are used in residential and commercial water fi...
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Sale
4 Pk Carbon Block Water Filter CTO Whole House RO DI Hydroponics 5 μm 10" x 2.5"
4 Pack - Hydronix Carbon Block Filters are manufactured with high purity coconut shell carbon. These Coconut Carbon Block filters provide an excell...
View full detailsHydronix SDC-25-2005 polypropylene sediment filters have a particle retention Size of 5 micron and is used in a residential and commercial water fi...
View full detailsInline RO Post Fridge Ice Coconut GAC Water Filter 2000 Gal, 1/4" Quick Connect
5.0 / 5.0
1 Review
This Hydronix ICF-10Q inline coconut filter has 1/4" quick-connect connections and is suitable for drinking water filtration applications. This NSF...
View full detailsThe Hydronix UDF-20BP granular activated carbon (GAC) cartridges are the best choice for your higher flow, taste, odder and chlorine reduction need...
View full detailsThe Hydronix SPC-45-2005 4.5" x 20" 5 micron polyester pleated cartridges are manufactured from durable polyester to provide you with a superior pl...
View full detailsHydronix SDC-45-2001 polypropylene sediment filters have a particle retention Size of 1 Micron and is used in a residential and commercial water fi...
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2 Pack Whole House RO Drinking Systems Coconut Carbon Water Filter 5 μm 2.5 x 10
Hydronix CB-25-1005 Carbon Block filters are NSF/ANSI Standard 42 certified for material and structural safety. CB-25-1005 filters have a particle ...
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Coconut Shell GAC Water Filter RO Undersink Countertop Drinking Systems 2.5 x 10
The Hydronix UDF-10 granular activated carbon (GAC) cartridges are the best choice for your higher flow, taste, odder and chlorine reduction needs....
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(2 Pack) Hydronix SDC-45-2005 - Whole House Hydroponics Sediment Water Filter 20", 5 μm
2 Pack - Hydronix SDC-45-2005 polypropylene sediment filters have a particle retention size of 5 microns and are used in residential and commercial...
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4 Sediment Water Filters - Whole House, RO Systems, Hydroponics, 2.5" x 20" 5 μm
Hydronix SDC-25-2005 polypropylene sediment filters have a particle retention Size of 5 micron and is used in a residential and commercial water fi...
View full detailsThe 5 Micron Smart Packs 2.5"x10" NSF Certified Sediment Premium Filters are a smart economical solution to pre-filtration for many applications. T...
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6 Pack, Hydronix SPC-45-1005 Pentek ECP5-BB 5 Micron Whole House Sediment Filter
6 Pack, Hydronix SPC-45-1005 Pentek ECP5-BB 5 Micron Whole House Sediment Filter
5.0 / 5.0
1 Review
Hydronix SPC series 4.5" x 10" 5 micron polyester pleated cartridges are manufactured from durable polyester to provide you with a superior pleated...
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(6 Pack) Hydronix SDC-45-2005 - Whole House Hydroponics Sediment Water Filter 20", 5 μm
6 Pack - Hydronix SDC-45-2005 polypropylene sediment filters have a particle retention size of 5 microns and are used in residential and commercial...
View full detailsInline RO Post Fridge Ice Coconut GAC Water Filter 2000 Gal, 3/8" Quick Connect
5.0 / 5.0
1 Review
Hydronix ICF-10Q38 inline coconut shell carbon filters have 3/8" quick-connect connections, and are suitable for drinking water filtration applicat...
View full detailsWhole House String Wound Sediment Water Filter Cartridge 2.5" x 10" - 5 μm
5.0 / 5.0
2 Reviews
Hydronix SWC-25-1005 polypropylene String wound filters have a particle retention Size of 5 micron and are used in a residential and commercial wat...
View full detailsHydronix ICF-10 inline coconut shell carbon filters have 1/4" npt connections and are suitable for drinking water filtration applications. The coco...
View full detailsThe Hydronix SDC-25-1001 polypropylene sediment filter is a 1 Micron rated filter. It's a universal standard size fits any standard Reverse Osmosis...
View full detailsThe 1 Micron Smart Packs 2.5"x10" NSF Certified Sediment Premium Filters are a smart economical solution to pre-filtration for many applications. T...
View full detailsHydronix ICF-2512Q Inline Filters with Quick Connect utilize NSF-listed coconut shell GAC and are designed to remove unpleasant taste and odor and ...
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