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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 $12.56 - Original price $12.56
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Hydronix SPC-45-1030 is the alternative compatible to the R30-BB and the RSA pleated filters. The SPC-45-1030 4.5" x 10" 30-micron polyester pleate...

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Original price $12.56 - Original price $12.56
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Original price $8.31 - Original price $8.31
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Hydronix SGC-25-1005 filter cartridges are 2.5” dia x 9.875” L and are made of 100% pure polypropylene material. Hydronix SGC-25-1005 filters are d...

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Original price $26.60 - Original price $26.60
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Hydronix SDP-4510 radial flow carbon Filter are 10 inch.

Original price $26.60 - Original price $26.60
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Original price $11.14 - Original price $11.14
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Hydronix ISF-2512 inline sediment filters have 1/4" npt connections and are suitable for drinking water filtration applications. The internal polyp...

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Original price $18.36 - Original price $18.36
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Hydronix HF3 series Slim Rib cap Filter housings have pressure Relief (PR) buttons and are ideal for Typical applications such as pre- and post-fil...

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Original price $17.74 - Original price $17.74
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Hydronix HF3 series Slim Rib cap Filter housings are ideal for Typical applications such as pre- and post-filtration for ro systems, under sink fil...

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Original price $19.25 - Original price $19.25
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Hydronix HF2 series Slim flat cap Filter housings are ideal for Typical applications as pre- and post-filtration for RO systems, under sink filters...

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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 $12.08 - Original price $12.08
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Hydro Guard HDG-P117 Universal GAC Water Filter Cartridge – Compatible with AP117 The Hydro Guard HDG-P117 Granular Activated Carbon (GAC) Water Fi...

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Original price $23.00 - Original price $23.00
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Hydronix CB-25-2001 carbon block filters are NSF/ANSI standard 42 certified for Material and structural Safety. CB-25-2001 filters have a particle ...

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Original price $23.00 - Original price $23.00
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Original price $78.99 - Original price $78.99
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Hydro Guard Twist RO System Top Module Head – Compatible with HDGT-45BN & HDGT-45CP The Hydro Guard Twist RO System Top Module Head is designed...

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Original price $78.99 - Original price $78.99
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Original price $1.60 - Original price $1.60
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The Hydrofit NSF 3/8" Tube x 3/8" NPT Male Connector Adapter is NSF-approved and are designed for ease of use. Hydrofit Quick Connect Fittings are ...

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Original price $59.95 - Original price $59.95
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The best alternative replacement for C7000 and C6500 Filtration Systems. Manufactured from organic Premium Coconut Shell Activated Carbon, the WC-C...

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Original price $59.95 - Original price $59.95
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Original price $4.99 - Original price $4.99
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Original price $6.40 - Original price $6.40
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3/8" Drain Saddle for use with Reverse Osmosis systems. Compatible with all standard RO systems using 3/8" tubing including US Water RO Systems, US...

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Original price $6.40 - Original price $6.40
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Original price $19.50 - Original price $19.50
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The PG25160B is UV resistant, high quality water pressure gauge designed with the OEM in mind. From the special synthetic fluid used to fill the ga...

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Original price $36.99 - Original price $36.99
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Hydronix LF-EC32-CPAG ceramic Air-Gap faucet is a chrome plated faucet that can be used in reverse Osmosis and Drinking water systems. The LF-EC32-...

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Original price $829.99 - Original price $829.99
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iFilters AS-HS64D-RO50 Whole House Water Softener & Reverse Osmosis System – Complete Filtration for Larger Homes Experience comprehensive home...

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Original price $829.99 - Original price $829.99
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Original price $88.69 - Original price $88.69
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The Everpure 4H-L EV9635-26 Replacement Filter Cartridge is a unique activated carbon-based filter blend to reduces chlorine taste & odor as we...

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Original price $88.69 - Original price $88.69
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Original price $180.73 - Original price $180.73
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HydroScientific AR Series Absolute Rated Pleated Filters are Beta 5000 Absolute rated filters. Made from 100% pure Polypropylene HydroScientific AR...

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Original price $180.73 - Original price $180.73
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Original price $6.81 - Original price $6.81
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Hydronix SBC Series Sediment Bonded Depth Cartridges are specially designed thermally bonded Polypropylene filters that provide superior filtration...

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Original price $6.81 - Original price $6.81
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Original price $74.25 - Original price $74.25
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This item ships in 45 days. HydroScientific AR Series Absolute Rated Pleated Filters are Beta 5000 Absolute rated filters. Made from 100% pure Poly...

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Original price $74.25 - Original price $74.25
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Original price $54.99 - Original price $54.99
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The Everpure Activated Carbon Water Filter Cartridge helps reduce waterborne contaminants, such as asbestos fibers, but does not remove fluoride. A...

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Original price $54.99 - Original price $54.99
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Original price $21.02 - Original price $21.02
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The Hydronix SDP-2520 radial flow carbon Filter are 20 inch x 2.5 inch dual purpose filters. They filter down to 25 microns and are perfect for com...

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Original price $21.02 - Original price $21.02
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