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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 $53.24 - Original price $53.24
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Hydronix HF45 Series (Pressure Relief Button version) Commercial Filter Housings are high durability commercial filter housings for 20" length cart...

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Original price $53.24 - Original price $53.24
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Original price $17.95 - Original price $17.95
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The Hydronix SWC-45-1020 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 $17.95 - Original price $17.95
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Original price $7.00 - Original price $7.00
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Hydronix SWC-25-1030 polypropylene String wound filters have a particle retention Size of 30 micron and are used in a residential and commercial wa...

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Original price $7.00 - Original price $7.00
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Original price $15.85 - Original price $15.85
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Hydronix SPC series 4.5" x 10" 1 Micron polyester pleated cartridges are manufactured from durable polyester to provide you with a superior pleated...

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Original price $15.85 - Original price $15.85
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Original price $19.45 - Original price $19.45
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Hydronix SDC-25-4001 polypropylene sediment filters have a particle retention Size of 1 Micron and is used in a residential and commercial water fi...

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Original price $19.99 - Original price $19.99
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Hydro Guard HDG45-10BODY Replacement Housing – OEM Drop-In Style for HDG-45 RO System Ensure the longevity and efficiency of your Hydro Guard HDG-4...

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Original price $19.99 - Original price $19.99
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Original price $0.95 - Original price $0.95
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Hydronix NP-38 3/8" NPT Male Nipple Connector – Polypropylene, NSF Approved The Hydronix NP-38 is a high-quality 3/8" NPT male nipple connector mad...

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Original price $0.95 - Original price $0.95
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Original price $19.50 - Original price $19.50
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The PG25300B 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 $0.00 - Original price $0.00
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The Culligan 25-Micron Sediment Cartridge CW25-BBS is a replacement drinking water filter cartridge for use in several Culligan water filter housin...

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Original price $23.36 - Original price $23.36
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Polaris Scientific GL17PP Replacement Germicidal Lamp for the UVA-4C Ultraviolet UV System.

Original price $23.36 - Original price $23.36
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Original price $6.38 - Original price $6.38
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The HDF-BVT0604 HYDROFIT™ Quick Connect Fittings are designed to provide all the typical benefits and ease of use of a quick connect t fitting whil...

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Original price $30.25 - Original price $30.25
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Hydronix ICF-10 inline coconut shell carbon filters have 1/4" npt connections and are suitable for drinking water filtration applications. The coco...

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Original price $30.25 - Original price $30.25
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Original price $199.95 - Original price $199.95
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Designed to filter 99% of contaminants and provide 75 GPD of safe clean water, iFilters has introduced the best RO system in the market at a great ...

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Original price $199.95 - Original price $199.95
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Current price $199.95
Original price $9.00 - Original price $9.00
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Hydronix SPC series 2.5" x 10" 5 micron polyester pleated cartridges are manufactured from durable polyester to provide you with a superior pleated...

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Original price $9.00 - Original price $9.00
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Original price $11.00 - Original price $11.00
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The Hydronix SDC-25-0501 2 pack polypropylene sediment filter has a particle retention size of 1 Micron and is used in a small water filtration sys...

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Original price $11.00 - Original price $11.00
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Original price $34.00 - Original price $34.00
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Hydronix LF-EC25-AB Ceramic Faucet is an antique brass faucet that can be used in reverse osmosis and drinking water systems. The LF-EC25-AB faucet...

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Original price $34.00 - Original price $34.00
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Original price $1.80 - Original price $1.80
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The Hydrofit 1/2" Quick Change Tube x 1/2" MNPT Fixed Elbows are designed for ease of use. Hydrofit Quick Connect Fittings are designed to provide ...

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Original price $1.80 - Original price $1.80
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Original price $18.99 - Original price $18.99
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Hydronix PMP-TSO14 RO Tank Pressure Shut-Off Switch for Reverse Osmosis Booster Pump, 1/4" Quick Connect The Hydronix PMP-TSO14 is a high-quality p...

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Original price $18.99 - Original price $18.99
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Original price $15.50 - Original price $15.50
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Hydronix PMP-LPS14 Low-Pressure Switch for Reverse Osmosis (RO) Booster Pump, 1/4" Quick Connect Port, Cable Included The Hydronix PMP-LPS14 is a l...

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Original price $280.00 - Original price $280.00
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Hydron HLE-4040 Commercial Reverse Osmosis Membrane elements produce 2800 gallons per day with 98.0% rejection. Designed for commercial use. The HL...

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Original price $280.00 - Original price $280.00
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Original price $40.19 - Original price $40.19
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The Hydronix HF45-10BLBK10PR 10" Filter Housing is an extra-wide housing that accommodates large 4.5" wide filters for increased flow. This housing...

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Original price $40.19 - Original price $40.19
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Original price $5.29 - Original price $5.29
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Light-Duty Bracket. Fits Hydronix HF2, HF3 Slim Line Housings. Fits All 10" and 20" Slim Line housings from Flowmatic, Pentek, Watts, Liquatec, Hyd...

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Original price $5.29 - Original price $5.29
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Original price $15.99 - Original price $15.99
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Hydronix SDC-25-20-0.5 polypropylene sediment filters have a particle retention Size of 0.5 Microns and is used in a residential and commercial wat...

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Original price $15.99 - Original price $15.99
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Original price $29.50 - Original price $29.50
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Hydronix PFM Series Flowmeters have easy-to-read scales silk-screened onto the acrylic bodies that are extremely accurate. Solid One piece Injectio...

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Original price $29.50 - Original price $29.50
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