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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 $40.04 - Original price $40.04
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Hydronix HF5-20BLBK34PR (with Pressure Relief Button) Blue Filter Housings are made to house 2.5" x 20” cartridges. Most 2.5" x 20” cartridges fit ...

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Original price $6.40 - Original price $6.40
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The Hydronix UDF-10PF is a dual two stage filter in one. The first stage filters sediment, dirst, sand and other particles down to the 5 micron lev...

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Original price $6.40 - Original price $6.40
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Original price $22.00 - Original price $22.00
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The Hydronix UDF-10BP granular activated carbon (GAC) cartridges are the best choice for your higher flow, taste, odder and chlorine reduction need...

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Original price $7.00 - Original price $7.00
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Hydronix SWC-25-1001 polypropylene String wound filters have a particle retention Size of 1 Micron and are used in a residential and commercial wat...

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Original price $7.00 - Original price $7.00
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Original price $16.99 - Original price $16.99
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Hydronix SPC series 4.5" x 10" 20 micron polyester pleated cartridges are manufactured from durable polyester to provide you with a superior pleate...

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Original price $34.00 - Original price $34.00
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Hydronix LF-EC25-AW Ceramic Faucet is a antique wine faucet that can be used in reverse osmosis and drinking water systems. The LF-EC25-AW faucet f...

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Original price $34.00 - Original price $34.00
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Original price $6.99 - Original price $6.99
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OEM Replacement cap for LWH Series filtration systems made after 2021.

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Original price $60.00 - Original price $60.00
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Polaris Scientific ZEB-2439 – Ultraviolet UV System Ballast (24W-39W, 110V/220V, No Plug) The Polaris Scientific ZEB-2439 is a high-quality OEM bal...

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Original price $60.00 - Original price $60.00
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Original price $40.50 - Original price $40.50
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Hydronix LF-EC25-AZ Ceramic Faucet is a antique bronze faucet that can be used in reverse osmosis and drinking water systems. The LF-EC25-AZ faucet...

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Original price $23.36 - Original price $23.36
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Polaris Scientific GL17SE4P – 17W UV Germicidal Replacement Lamp for UV-4C Systems The Polaris Scientific GL17SE4P is a high-performance ultraviole...

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Original price $23.36 - Original price $23.36
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Original price $5.75 - Original price $5.75
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The Hydrofit Brass Ball Valve Straight is a 1/4" MPT x 1/4" Feed Water Valve

Original price $5.75 - Original price $5.75
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Original price $8.33 - Original price $8.33
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This two pack of Culligan P5 Compatible Sediment Filters will allow you to filter out sediment from your drinking water. This Culligan Compatible i...

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Original price $8.33 - Original price $8.33
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Original price $5.90 - Original price $5.90
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The Culligan Compatible CW-F water filter is a Level 3 filtration product, meaning it offers advanced filtration of fine sediment particles. Specif...

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Original price $5.90 - Original price $5.90
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Original price $20.63 - Original price $20.63
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Polaris Scientific QS17 Replacement Quartz Sleeve for the UVA-4C Ultraviolet UV System. Natural quartz sleeve to protect the lamp and allow the max...

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Original price $137.95 - Original price $137.95
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This 40 pack of Hydronix SDC-25-1005 polypropylene sediment filter is a 5 micron rated filter. Its universal standard size fits any standard Revers...

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Original price $137.95 - Original price $137.95
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Original price $87.28 - Original price $87.28
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The Hydronix HF45-20CLBK15 (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 $87.28 - Original price $87.28
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The Hydronix HF45-20CLBK10 (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 $12.66 - Original price $12.66
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The Hydronix SWC-25-20100 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 $11.95 - Original price $11.95
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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 $11.95 - Original price $11.95
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Original price $22.00 - Original price $22.00
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Hydronix LF-BLR long REACH faucet is a chrome plated faucet that can be used in reverse Osmosis and Drinking water systems. The LF-BLR faucet featu...

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Original price $22.00 - Original price $22.00
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Original price $10.00 - Original price $10.00
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Hydronix ISF-10 inline sediment filters have 1/4" NPT connections and are suitable for Drinking water filtration applications. The internal polypro...

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Original price $10.00 - Original price $10.00
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Original price $17.86 - Original price $17.86
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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 $17.86 - Original price $17.86
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Original price $12.93 - Original price $12.93
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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 $12.93 - Original price $12.93
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Original price $19.50 - Original price $19.50
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Hydronix CB-25-2010 carbon block filters are NSF/ANSI standard 42 certified for Material and structural Safety. CB-25-2010 filters have a particle ...

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Original price $19.50 - Original price $19.50
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