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Shop All Water Filters, Parts & Systems

Fresh, dependable water starts with the right setup, and iFilters makes it easy to find what fits your space. Water Filters, Parts & Systems in this collection cover everyday drinking needs, whole-home protection, and jobsite-ready solutions for commercial and industrial use. Browse by product type, filter size, or compatibility so replacements and upgrades stay simple. Options span sediment, carbon, reverse osmosis, and UV, giving you a clear path from problem to solution. Fast shipping and helpful support keep your project moving.

About iFilters Water Filtration Products

iFilters brings a one-stop catalog together, from complete whole-house filtration systems to specialized drinking water systems for sinks and dispensers. Commercial systems help support higher flow demands, while replacement filters keep performance consistent between service intervals. Parts like housings, fittings, adapters, and power supplies help you maintain, repair, or expand an existing setup without guesswork. Ultraviolet systems add an extra layer for applications that benefit from UV treatment. Tools and specialty systems round out the collection for unique installs, seasonal needs, and niche use cases.

Why Choose iFilters for Water Filtration Gear?

Confidence comes from selection, and this store is built around breadth and compatibility across many brands and applications. Auto Ship subscriptions make routine replacements easier, while discounts help reduce long-term ownership costs. Expert support is available when you need help choosing the right part, matching a cartridge, or planning a system refresh. Free shipping starts at qualifying order thresholds, and a satisfaction guarantee adds peace of mind at checkout.

Shop water filtration systems and parts online today!

Original price $17.58 - Original price $17.58
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The Omnifilter ROR2050 Replacement Filter Pack comes with an RS14 style inline filter cartridge. This Omnifilter replacement reverse osmosis kit in...

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Original price $17.58 - Original price $17.58
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Original price $28.99 - Original price $28.99
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Original replacement cap for the Hydronix HF45 housings with 1" In/Out Ports Original replacement cap for the iFilters MWH Series Filtration System...

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Original price $28.99 - Original price $28.99
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Original price $1.21 - Original price $1.21
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HDF-FF06 3/8" Tube x 7/16" - 24 UNS Faucet Fitting

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Original price $32.97 - Original price $32.97
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Hydronix IFM Inline Series Flowmeters have easy-to-read scales silk-screened onto the acrylic bodies that are extremely accurate. Solid One piece I...

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Original price $32.97 - Original price $32.97
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Original price $54.55 - Original price $54.55
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Hydronix AFM Series Flowmeters have easy-to-read scales silk-screened onto the acrylic bodies that are extremely accurate. Solid One piece Injectio...

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Original price $54.55 - Original price $54.55
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Original price $499.00 - Original price $499.00
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iFilters RO200Q Light Commercial 200 GPD Reverse Osmosis SystemHigh-Capacity, Ultra-Pure Filtration for Home or Business The iFilters RO200Q is a l...

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Original price $499.00 - Original price $499.00
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Original price $35.16 - Original price $35.16
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Hydronix HF5-20BLBK34 Blue Filter Housings are made to house 2.5" x 20” cartridges. Most 2.5" x 20” cartridges fit easily. Ideal for typical applic...

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Original price $23.75 - Original price $23.75
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The Hydronix SPC-45-2010 4.5" x 20" 10 micron polyester pleated cartridges are manufactured from durable polyester to provide you with a superior p...

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Original price $23.75 - Original price $23.75
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Original price $16.00 - Original price $16.00
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1/4 Reverse Osmosis Leak Detector (Shut-Off Valve) The Flowlok leak detector is an innovative device installed right below your water filtration s...

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Original price $16.00 - Original price $16.00
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Original price $1.21 - Original price $1.21
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HDF-FF04 1/4" Tube x 7/16" - 24 UNS Faucet Fitting

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Original price $69.00 - Original price $69.00
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(3 Pack) Hydronix CB-45-1001/3 – 1 Micron Whole House & Hydroponics Carbon Block Water Filters (4.5" x 10") The Hydronix CB-45-1001/3 is a 3-pa...

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Original price $69.00 - Original price $69.00
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Original price $67.50 - Original price $67.50
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The Hydronix IFM-110 Inline Flowmeters have easy-to-read scales silk-screened onto the acrylic bodies that are extremely accurate. The IFM-110 has ...

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Original price $67.50 - Original price $67.50
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Original price $1.57 - Original price $1.57
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Replacement O-Ring for the Hydronix MH03 Membrane Housings Cap. Made from durable EPDM material. This O-Ring is for use on the housing Cap. For the...

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Original price $1.57 - Original price $1.57
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Original price $0.43 - Original price $0.43
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The CLP-25W 2.5" Clip for Membrane Housings is a replacement filter clip that is constructed out of polypropylene, which makes it very strong and f...

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Original price $0.43 - Original price $0.43
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Original price $229.00 - Original price $229.00
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Polaris UVA-6C Whole House UV Ultraviolet Deactivator System 6 GPM with 9000 Hour Bulb. When Quality and Performance Matters, you can count on Pola...

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Original price $229.00 - Original price $229.00
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Original price $26.46 - Original price $26.46
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Hydronix SPC-45-1030 is the alternative comparable to the FXHSC, R30-BB & RS6 pleated filters. The SPC-45-1030 4.5" x 10" 30 micron polyester p...

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Original price $26.46 - Original price $26.46
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Original price $74.00 - Original price $74.00
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3 - 4 Year (21 filters) supply of RO Reverse Osmosis Filters. All filters are Premium NSF Certified Hydronix. This universal set s compatible with ...

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Original price $74.00 - Original price $74.00
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Original price $62.79 - Original price $62.79
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The Hydronix HF45-10CLBK10PR 10" Clear Filter Housing (with Pressure Relief Button) is an extra-wide housing that accommodates large 4.5" wide filt...

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Original price $62.79 - Original price $62.79
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Original price $26.80 - Original price $26.80
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The HF4-20WHWH38 is a 20" White Body housing with a White Flat Cap and 3/8" port. This housings has Double O-Rings. Uses any brand of standard 2.5”...

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Original price $26.80 - Original price $26.80
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Original price $45.99 - Original price $45.99
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Not just a Chlorine filter, the iFilters IF-SF-CH Dechlorinating Shower Filter reduces the harmful effects of chlorine, lead, mercury and other con...

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Original price $45.99 - Original price $45.99
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Original price $22.82 - Original price $22.82
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Hydronix SWC-25-4001 String Wound Sediment Water Filter – 1 Micron, 2.5" x 40" High-Capacity Sediment Filtration for Residential & Commercial A...

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Original price $22.82 - Original price $22.82
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Original price $8.99 - Original price $8.99
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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 $7.31 - Original price $7.31
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Hydronix ICF-6 inline coconut shell carbon filters have 1/4" npt connections and are suitable for drinking water filtration applications. The cocon...

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Original price $7.31 - Original price $7.31
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Original price $17.40 - Original price $17.40
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Hydro Guard HDG-SED-AC5/4 Sediment Water Filter – Culligan Compatible (4-Pack) for AC30 & AC15 Systems Ensure cleaner, clearer water with the H...

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Original price $17.40 - Original price $17.40
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