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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 $69.95 - Original price $69.95
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Ensure your water filtration system continues to deliver exceptional performance with the FC-19-ACB replacement filter. Engineered with Activated C...

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Original price $69.95 - Original price $69.95
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$74.99
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Pro+Aqua Complete Reverse Osmosis Yearly Replacement Filter Set. Includes 1 sediment filter (Stage 1), 2 triple capacity carbon block filters (Stag...

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$74.99
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Original price $149.99 - Original price $149.99
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Hydronix SPV-4021-12 Stainless Steel Membrane Housing – 4" x 21", 1/2" Ports The Hydronix SPV-4021-12 is a high-quality stainless steel pressure ve...

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Original price $149.99 - Original price $149.99
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Original price $12.25 - Original price $12.25
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Hydronix ISF-10Q inline sediment filters have 1/4" QC connections and are suitable for Drinking water filtration applications. The internal polypro...

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The HDF-UC0604 is used to increase or reduce 3/8" hoses to 1/4" hoses. This fitting features Quick Connect ports for an easy push in installation.

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Original price $53.00 - Original price $53.00
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Hydronix PFM-216 Flowmeter has easy to read scales silk-screened onto the acrylic bodies that are extremely accurate. Solid One piece Injection Mol...

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Original price $17.99 - Original price $17.99
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Aquatrol P-18706-02 3/4" Yoke – Fiber-Reinforced Polymer Replacement for AQT-56 & Fleck Control Valves The Aquatrol P-18706-02 3/4" Yoke is a d...

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The Hydronix IFM-220 Inline Flowmeters have easy-to-read scales silk-screened onto the acrylic bodies that are extremely accurate. Solid One piece ...

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Original price $284.50 - Original price $284.50
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The Hydronix IFM-2060 Inline Flowmeters have easy-to-read scales silk-screened onto the acrylic bodies that are extremely accurate. The IFM-2060 ha...

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Original price $284.50 - Original price $284.50
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Original price $1.00 - Original price $1.00
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The Hydrofit 1/4" Tube x 3/8" NPT Male Connector Adapter is NSF approved and are designed for ease of use. Hydrofit Quick Connect Fittings are desi...

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Original price $131.65 - Original price $131.65
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Hydronix AFM 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 $14.75 - Original price $14.75
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Polaris Scientific QS14 Replacement Quartz Sleeve for the UVA-2C Ultraviolet UV System. Natural quartz sleeve to protect the lamp and allow the max...

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Original price $45.00 - Original price $45.00
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The iFilters LWHGAC Whole House Water Filter reduces and filters sediment, rust, chlorine taste and odor and has a flow rate of 3 gallons per minut...

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Hydronix SPC series 2.5" x 10" 50 micron polyester pleated cartridges are manufactured from durable polyester to provide you with a superior pleate...

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Hydronix SPV-40CAPORING - Cap O-Ring for 4" SPV RO Vessel OEM Replacement O-Ring for Hydronix 4" SPV Stainless Steel RO Pressure Vessels The Hydron...

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Original price $49.85 - Original price $49.85
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Pro+Aqua Reverse Osmosis Replacement Pre-Filter Set. Includes 1 sediment filter (Stage 1) and 2 triple capacity carbon block filters (Stage 2-3). S...

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Polaris Scientific UV-PLUG – Replacement Plastic Plug for Polaris UV Units The Polaris UV-PLUG is a genuine OEM replacement plastic plug designed f...

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Original price $69.99 - Original price $69.99
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The AQ-M100 is a mighty compact 3-stage RO unit that provides excellent RO filtered water using sediment and carbon pre-filter cartridges with a me...

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Hydronix ICF Series Inline Filters utilize NSF listed coconut shell GAC and are designed to remove unpleasant taste and odor and reduce sediment to...

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Original price $45.99 - Original price $45.99
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Not just a Chlorine filter, the iFilters IF-SF-WH Dechlorinating Shower Filter reduces the harmful effects of chlorine, lead, mercury and other con...

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Original price $28.00 - Original price $28.00
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The Hydronix SWC-45-2001 polypropylene String wound filters have a particle retention Size of 1 Micron and are used in a residential and commercial...

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Original price $28.00 - Original price $28.00
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Hydronix SDC-25-0505 polypropylene sediment filters have a particle retention Size of 5 microns and are used in residential and commercial water fi...

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Hydronix LF-EC25-CP ceramic faucet is a chrome plated faucet that can be used in reverse Osmosis and Drinking water systems. The LF-EC25-CP faucet ...

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Original price $25.99 - Original price $25.99
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FLOWLOK Safety Kit – Leak Protection for Water Filters (FLK-KIT 1/4" or FLK-KIT38 3/8") FLK-KIT | FLK KIT38 FLOWLOK Safety Kit – Ultimate Leak Prot...

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Original price $25.99 - Original price $25.99
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