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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 $6.40 - 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 $19.50 - Original price $19.50
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Original price $36.99 - Original price $36.99
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Current price $36.99

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 $36.99 - Original price $36.99
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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 $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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Current price $74.25

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 $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 $98.95 - Original price $98.95
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Current price $98.95

The Hydronix HF45-20CLBK34 (Note: Picture shows PR version, this one does not include the PR button) 20" Clear Filter Housing is an extra-wide hous...

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Original price $98.95 - Original price $98.95
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Original price $23.68 - Original price $23.68
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This Culligan Compatible Smart Pack IF2-HDG-CB-AC10 contains 2 Carbon block filters (1 year supply). The IF2-HDG-CB-AC10 Carbon Filter is a pre- an...

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Original price $23.68 - Original price $23.68
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Original price $18.41 - Original price $18.41
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Replacement for GE FXWSC Sediment Filter (2-Pack) We are offering an alternative product at a reduced price to the original GE FXWSC sediment filte...

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Original price $18.41 - Original price $18.41
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Original price $28.00 - Original price $28.00
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Current price $28.00

The Hydronix SWC-45-2030 polypropylene String wound filters have a particle retention Size of 30 micron and are used in a residential and commercia...

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Original price $28.00 - Original price $28.00
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Original price $28.00 - Original price $28.00
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The Hydronix SWC-45-20100 polypropylene String wound filters have a particle retention Size of 100 micron and are used in a residential and commerc...

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Original price $28.00 - Original price $28.00
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Original price $16.18 - Original price $16.18
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The Hydronix SWC-25-3020 polypropylene String wound filters have a particle retention Size of 20 micron and are used in a residential and commercia...

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Original price $16.18 - Original price $16.18
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Original price $12.66 - Original price $12.66
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The Hydronix SWC-25-2030 polypropylene String wound filters have a particle retention Size of 30 micron and are used in a residential and commercia...

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Original price $12.66 - Original price $12.66
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Original price $12.66 - Original price $12.66
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The Hydronix SWC-25-2010 polypropylene String wound filters have a particle retention Size of 10 micron and are used in a residential and commercia...

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Original price $7.00 - Original price $7.00
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Hydronix SWC-25-10100 polypropylene String wound filters have a particle retention Size of 100 micron and are used in a residential and commercial ...

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Original price $7.00 - Original price $7.00
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Original price $12.30 - Original price $12.30
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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 $16.34 - Original price $16.34
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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 $16.34 - Original price $16.34
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Original price $24.50 - Original price $24.50
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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 $24.50 - Original price $24.50
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Original price $17.74 - Original price $17.74
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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 $17.74 - Original price $17.74
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Original price $18.24 - Original price $18.24
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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 $18.24 - Original price $18.24
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Original price $20.84 - Original price $20.84
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Hydro Guard HDG-CB-AC10 Carbon Block Pre-Filter – 2-Pack for AC30 & AC15 Systems Upgrade your water filtration system with the Hydro Guard HDG-...

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Original price $20.84 - Original price $20.84
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Original price $155.00 - Original price $155.00
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Current price $155.00

Hydronix SPV-2521 Stainless Steel Membrane Housing – 2.5" x 21", 300 PSI, 3/8" Ports The Hydronix SPV-2521 Stainless Steel Membrane Housing is a hi...

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Original price $155.00 - Original price $155.00
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Current price $155.00
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