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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 $24.49 - Original price $24.49
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The Pentek GD-5010-20BB 20" Big Blue Filter Cartridge has two unique layers that holds up to 3 times more dirt than pleated, string-wound and stand...

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Original price $24.49 - Original price $24.49
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Original price $15.99 - Original price $15.99
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The Smart Packs Inline Filters utilize NSF listed coconut shell GAC and are designed to remove unpleasant taste and odor and reduce sediment to pro...

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Original price $15.99 - Original price $15.99
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Original price $54.99 - Original price $54.99
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Current price $54.99

The Hydronix LF-EC25-BNAG is an Elegant Designer Ceramic Faucet with Air Gap. It has a Brush Nickel finish with a 3" Shank. Hydronix LF Series Lead...

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Original price $54.99 - Original price $54.99
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Original price $66.42 - Original price $66.42
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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 $66.42 - Original price $66.42
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Original price $2.33 - Original price $2.33
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Replacement PR Button Kit for the Hydronix HF45 filters. Made from durable materials for durability. This replacement PR Button Kit comes with all ...

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Original price $2.33 - Original price $2.33
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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 $54.69 - Original price $54.69
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(2 Pack) Aqua-Pure AP1001 Compatible Filter Cartridge – 1 Micron Sediment Filtration The Aqua-Pure AP1001 Compatible Filter Cartridge (2-Pack) is a...

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Original price $54.69 - Original price $54.69
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Original price $29.99 - Original price $29.99
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The iFilters RF-2520 radial flow Sediment and Carbon Filter (Dual Filtration) are 20 inch x 2.5 inch dual purpose filters. The iFilters RF-2520 fil...

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Original price $60.00 - Original price $60.00
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NSF Certified 4.5 Gallon (3.2 Draw-down) Reverse Osmosis Water Storage Tank. Lead, brass and copper are banned for use in purified/drinking water. ...

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Original price $60.00 - Original price $60.00
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Original price $699.00 - Original price $699.00
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iFilters 300 Gallons per Day (GPD) Light Commercial Reverse Osmosis Water Filtration System with a free-standing frame and bracket. Includes all NS...

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Original price $699.00 - Original price $699.00
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Original price $40.94 - Original price $40.94
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The Hydronix HF45-10BLBK15PR (with Pressure Relief Button) filter housing accepts 10 x 4.5 inch filters and is ideal for use in residential, commer...

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Original price $40.94 - Original price $40.94
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Original price $22.68 - Original price $22.68
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Hydronix HF5-10BLBK34 Filter Housings are made to house 2.5" x 10” cartridges. Most 2.5" x 10” cartridges fit easily. Ideal for typical application...

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Original price $10.50 - Original price $10.50
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Significantly enhance the life of your RO Membrane with the NSF iFilters Flush Valve. This flush valve provides a bypass to purge contaminates in t...

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Original price $10.50 - Original price $10.50
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Original price $19.82 - Original price $19.82
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The Hydronix UDF-20 granular activated carbon (GAC) cartridges are the best choice for your higher flow, taste, odder and chlorine reduction needs....

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Original price $12.66 - Original price $12.66
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The Hydronix SWC-25-2050 polypropylene String wound filters have a particle retention Size of 50 micron and are used in a residential and commercia...

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Original price $12.88 - Original price $12.88
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The Hydronix SDC-25-3005 polypropylene sediment filter is a 5 micron rated filter. Its universal standard size fits any standard Reverse Osmosis, W...

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Original price $12.88 - Original price $12.88
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Original price $9.58 - Original price $9.58
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Hydronix SBC-25-1005 polypropylene sediment bonded depth filters have a particle retention size of 5 microns and are used in residential and commer...

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Original price $9.58 - Original price $9.58
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Original price $18.50 - Original price $18.50
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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 $18.50 - Original price $18.50
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Original price $23.50 - Original price $23.50
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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 $23.50 - Original price $23.50
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Original price $24.50 - Original price $24.50
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Current price $24.50

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 $24.50 - Original price $24.50
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Original price $17.23 - Original price $17.23
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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 $17.23 - Original price $17.23
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Original price $17.23 - Original price $17.23
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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 $17.23 - Original price $17.23
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Current price $17.23
Original price $15.83 - Original price $15.83
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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 $15.83 - Original price $15.83
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Original price $16.34 - Original price $16.34
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Current price $16.34

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 $16.34 - Original price $16.34
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Current price $16.34
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