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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 $4.81 - Original price $4.81
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The FW-2 wrench fits the HF5 Series Hydronix Housings

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Original price $25.00 - Original price $25.00
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The Hydronix SPC-45-2020 4.5" x 20" 20 micron polyester pleated cartridges are manufactured from durable polyester to provide you with a superior p...

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Original price $9.00 - Original price $9.00
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Hydronix SPC series 2.5" x 10" 10 micron polyester pleated cartridges are manufactured from durable polyester to provide you with a superior pleate...

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Original price $12.49 - Original price $12.49
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Shokblok Filter protection valves are designed for high pressure installations to protect reverse Osmosis systems, water filtration systems, ice ma...

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Original price $59.00 - Original price $59.00
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Aquatrol AT-0713BK-25T – 7" x 13" Mineral Pressure Tank for Water Softeners & Filtration (2.5" Port, Black) The Aquatrol AT-0713BK-25T Mineral ...

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Original price $59.00 - Original price $59.00
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Original price $155.00 - Original price $155.00
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Aquatrol CAT100E Cation Resin – 1 Cu. Ft. Premium Water Softening Cation Resin (NSF) The Aquatrol CAT100E Cation Resin is a high-purity, premium-gr...

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Original price $155.00 - Original price $155.00
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Original price $49.99 - Original price $49.99
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The CAT-4520 softening cation resin filter is used for the reduction of hard water using an ion exchange process. The CAT-4520 water softening filt...

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Original price $2.59 - Original price $2.59
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The Hydrofit HDF-UT04 1/4" Union Tee has Quick Connect ports for an easy push-in installation. Hydrofit Quick Connect Fittings are designed to prov...

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Original price $139.99 - Original price $139.99
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The iFilters MWHSD20 20" Clear Heavy Duty Whole House Water Filter System comes complete with a 5 micron high capacity string wound sediment filter...

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Original price $139.99 - Original price $139.99
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Original price $35.94 - Original price $35.94
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Your drinking water deserves precision filtration that you can trust. The Watts Premier Compatible 7-Pack 5-Stage RO Replacement Filter Kit provide...

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Original price $20.95 - Original price $20.95
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Hydronix SDC-45-2005 polypropylene sediment filters have a particle retention size of 5 micron and is used in a residential and comercial water fil...

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Hydronix SDC-25-2001 polypropylene sediment filters have a particle retention Size of 1 Micron and are used in residential and commercial water fil...

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Original price $19.95 - Original price $19.95
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Hydronix ICF-CAL10Q Inline pH Balancing & Acid Neutralization Filter – 1/4" QC Ports The Hydronix ICF-CAL10Q is a high-performance inline filte...

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The PT08-WH-0250 White Polyethylene tubing is manufactured from top quality, low density materials. The PT08-WH-0250 is ideal for a variety of uses...

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Original price $249.99 - Original price $249.99
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Designed to filter 99% of contaminants and provide 100 GPD of safe clean water, iFilters has introduced the best RO system in the market at a great...

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Original price $249.99 - Original price $249.99
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4 Stage NSF Reverse Osmosis RO Replacement Water Filter Set with 75 GPD Membrane. For any standard 4 Stage RO system. Sediment, CTO Carbon Block, M...

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The Hydronix LF-BLRAG-BN long reach faucet is a brushed nickel faucet that can be used in reverse Osmosis and Drinking water systems. The LF-BLRAG-...

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Pro+Aqua 3/8" Brine Line Quick Connect Adapter

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Polaris Scientific GL32SE4P – 32W UV Germicidal Replacement Lamp for UV-8C Systems The Polaris Scientific GL32SE4P is a high-performance ultraviole...

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Original price $116.82 - Original price $116.82
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The Everpure 7CB5-S EV9618-21 Water Filter Cartridge is a carbon block filter that reduces the taste and odor of chlorine, as well as, other offens...

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Original price $116.82 - Original price $116.82
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Original price $99.95 - Original price $99.95
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The iFilters MWHSD 10" Clear Heavy Duty Whole House Water Filter System comes complete with a high capacity string wound sediment filter and featur...

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Original price $99.95 - Original price $99.95
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1" NPT Nipple Male Plastic Connector is made from Polypropylene. The Center has a Hex shape to allow tool installation.

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The Hydrofit 1/4" Tube x 1/8" NPTF Fixed Elbows are designed for ease of use. Hydrofit Quick Connect Fittings are designed to provide all the typic...

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Original price $1.80 - Original price $1.80
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Original price $23.90 - Original price $23.90
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Hydronix HF5-10CLBK34 (with Pressure Relief Button) Clear Filter Housings are made to house 2.5" x 10” cartridges. Most 2.5" x 10” cartridges fit e...

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Original price $23.90 - Original price $23.90
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