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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 $6.00 - Original price $6.00
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Hydronix SDC-25-1020 polypropylene sediment filters have a particle retention size of 20 microns and are used in residential and commercial water f...

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Original price $6.00 - Original price $6.00
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Original price $3.00 - Original price $3.00
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Hydronix UDF-45PAD - Replacement Pad for 4.5" Empty Filter Cartridges Polypropylene Filter Cartridge Pad for 4.5" Refillable Water Filter Cartridge...

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Original price $3.00 - Original price $3.00
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Original price $58.99 - Original price $58.99
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3/4"Plastic Bypass Valve for Pro+Aqua, Aquatrol, Fleck Control Heads 56 Series, 2510, 5600, 5600SXT, 9000, 9100

Original price $58.99 - Original price $58.99
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Original price $39.69 - Original price $39.69
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(3 Pack) Hydronix CB-25-2010 Carbon Block Water Filters – 10 Micron, 2.5” x 20” Upgrade your water filtration system with the Hydronix CB-25-2010 C...

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Original price $39.69 - Original price $39.69
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Original price $40.99 - Original price $40.99
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Convert any standard water filtration unit into an Alkaline Drinking Water System with the PRO+AQUA FC-10-ALK Multi-Stage Alkaline Drinking Water F...

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Original price $40.99 - Original price $40.99
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Original price $12.74 - Original price $12.74
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Hydronix SPC series 2.5" x 20" 50 micron polyester pleated cartridges are manufactured from durable polyester to provide you with a superior pleate...

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Original price $12.74 - Original price $12.74
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Original price $7.23 - Original price $7.23
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Hydronix empty cartridges can be used with carbon, resin, KDF or any other media. Made from high impact polystyrene to withstand continuous usage a...

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Original price $10.99 - Original price $10.99
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The Hydronix CB-25-1001 NSF Certified Carbon Block water filter is manufactured with high purity coconut shell carbon and is available in a wide ra...

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Original price $6.90 - Original price $6.90
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The Hydronix CB-25-0505 NSF Certified Carbon Block water filter is manufactured with high purity coconut shell carbon and is available in a wide ra...

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Original price $6.90 - Original price $6.90
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Original price $99.00 - Original price $99.00
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The Hydronix HF45-20CLBK15PR Big Blue size 20" Clear Filter Housing with PR button is an extra-wide housing that accommodates large 4.5" wide filte...

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Original price $99.00 - Original price $99.00
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Original price $0.43 - Original price $0.43
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The CLP-2520W 2.5" X 2" Double Clip for Membrane Housings is a replacement filter clip that is constructed out of polypropylene, making it durable ...

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Original price $0.48 - Original price $0.48
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The CLP-20W can be used with any Standard 2" filter including Everpure, Pentek, Hydronix, Omnipure and other 2" - 2 1/4" inline filters or membrane...

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This Aquatrol Fleck Compatible Adapter Coupling Set are used in Fleck or Aquatrol Valves

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Polaris Scientific QS10 Replacement Quartz Sleeve for the UVA-1C Ultraviolet UV System. Natural quartz sleeve to protect the lamp and allow the max...

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Original price $132.00 - Original price $132.00
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NSF Certified 14-Gallon Reverse Osmosis Water Storage Tank. Lead, brass, and copper are banned for use in purified/drinking water. This tank utiliz...

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Original price $132.00 - Original price $132.00
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Original price $8.99 - Original price $8.99
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Pro+Aqua 3/4" Garden Hose Quick Connect Fittings, Easy Water Hose Attachments

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Original price $27.99 - Original price $27.99
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The Hydronix CB-AR-2510 Arsenic filter has a particle retention Size of 5 microns, and are ideal for drinking water filtration applications. The Hy...

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Original price $27.99 - Original price $27.99
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Original price $275.00 - Original price $275.00
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Polaris UVA-8C Whole House UV Ultraviolet Deactivator System 8 GPM with 9000 Hour Bulb. The perfect addition for home filtration systems needing ad...

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Original price $275.00 - Original price $275.00
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Original price $49.47 - Original price $49.47
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Replacement filter set for 2 stage 20" filter system. Includes the carbon block filter and sediment filter. Filters need be replaced at least once ...

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Original price $13.37 - Original price $13.37
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Hydronix SPC series 2.5" x 20" 5 micron polyester pleated cartridges are manufactured from durable polyester to provide you with a superior pleated...

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Original price $13.37 - Original price $13.37
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Original price $55.98 - Original price $55.98
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1" Stainless Steel Bypass Valve for Pro+Aqua, Aquatrol, Fleck Control Heads 56 Series, 2510, 5600, 5600SXT, 9000, 9100

Original price $55.98 - Original price $55.98
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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. Made from durable EPDM material. This O-Ring is for the housing unit and not the Cap. F...

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Original price $1.57 - Original price $1.57
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Original price $19.99 - Original price $19.99
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This Hydronix ICF-10Q inline coconut filter has 1/4" quick-connect connections and is suitable for drinking water filtration applications. This NSF...

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Original price $19.99 - Original price $19.99
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Original price $45.95 - Original price $45.95
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The PAE RO-122 Reverse Osmosis tanks features a virgin polypropylene liner, high-grade chlorobutyl diaphragm and stainless steel 1/4" MPT water con...

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Original price $45.95 - Original price $45.95
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