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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 $174.95 - Original price $174.95
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The iFilters U300UV was designed and assembled in California from NSF-approved components and offers superior filtration at a lower cost compared t...

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Original price $174.95 - Original price $174.95
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Original price $36.00 - Original price $36.00
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The PT04-BK-0500 Black Polyethylene tubing is manufactured from top quality, low density materials. The PT04-BK-0500 is ideal for a variety of uses...

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Original price $25.95 - Original price $25.95
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Polaris Scientific EB-1024 – Ultraviolet (UV) System Ballast, 10W - 17W, 110V/220V The Polaris Scientific EB-1024 is a high-quality electronic ball...

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Original price $32.00 - Original price $32.00
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Hydro Guard HDG-P117 Aqua-Pure AP117 Compatible GAC Water Filters – 4-Pack Upgrade your water filtration system with the Hydro Guard HDG-P117 Carbo...

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Original price $23.75 - Original price $23.75
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4 pcs RO Reverse Osmosis pre filters. All filters are Premium NSF Certified. This set is used as a mid year replacement set (depending on water usa...

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Original price $18.99 - Original price $18.99
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The 1 Micron Smart Packs 2.5"x10" NSF Certified Sediment Premium Filters are a smart economical solution to pre-filtration for many applications. T...

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Original price $30.56 - Original price $30.56
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2 Pack - Hydronix SDC-45-2005 polypropylene sediment filters have a particle retention size of 5 microns and are used in residential and commercial...

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Original price $209.99 - Original price $209.99
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The iFilters MWH-D20 Dual stage 4.5" x 20" Whole House Water Filter System comes complete with a high capacity String-wound Polypropylene sediment ...

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Original price $19.00 - Original price $19.00
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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 $45.95 - Original price $45.95
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Pack of 4 - Hydronix SPC-45-1030 are comparable to the R30-BB and the RSA pleated filters, same filter at a much better price. This filter is fully...

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These 1/4" Tube x 1/4" NPT fittings are designed for ease of use. One end has threads and the other converts to Quick Connect to convert any port t...

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Original price $129.99 - Original price $129.99
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KDF85-10B 4.5" x 10" Coconut GAC + KDF85 Big Blue size cartridge. For Well Water or City Whole House filtration as well as Commercial use. This fil...

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Original price $54.99 - Original price $54.99
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The IFD-U2PK-UV is the correct OEM replacement set for the iFilters U200UV Under-sink Drinking Water Filtration Systems. The IFD-U2PK-UV combines d...

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Original price $54.99 - Original price $54.99
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Original price $729.99 - Original price $729.99
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Harmony Series 64,000-Grain Whole House Water Softener – AS-HS64D The Aquasure Harmony Series AS-HS64D Whole House Water Softener is designed for h...

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Original price $499.99 - Original price $499.99
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iFilters XWH-600 Whole House Water Filtration System – 600,000 Gallon Capacity High-Performance Filtration for Cleaner, Healthier Water The iFilter...

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Original price $36.00 - Original price $36.00
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The PT04-WH-0500 White Polyethylene tubing is manufactured from top quality, low density materials. The PT04-WH-0500 is ideal for a variety of uses...

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The Hydrofit 1/4" Inline Check Valve is NSF to NSF/ANSI certified Hydrofit Quick Connect Fittings are designed to provide all the typical benefits ...

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Original price $66.99 - Original price $66.99
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Hydronix CB-45-2010 carbon block filters are NSF/ANSI standard 42 certified for Material and structural Safety. CB-45-2010 filters have a particle ...

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Original price $44.00 - Original price $44.00
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The iFilters LWHSD Whole House Water Filter reduces dirt, sand, silt, rust, and scale particles and has a flow rate of Up to 8 gallons per minute (...

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Polaris Scientific GL39SE4P Replacement Germicidal Lamp for the UV-12C, UV-24B, UV-36B, UV-50B, UV-60B, UV-80B and UV-100B Ultraviolet UV System.

Original price $45.50 - Original price $45.50
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Original price $7.72 - Original price $7.72
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The Hydronix SDC-25-1001 polypropylene sediment filter is a 1 Micron rated filter. It's a universal standard size fits any standard Reverse Osmosis...

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The FW-4 Wrench can be use to loosen standard 2x12 membrane housings when changing membranes. This FW-4 wrench fits many Hydronix, Pentek, Culligan...

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4 Stage NSF Reverse Osmosis RO Replacement Water Filter Set with 75 GPD Membrane. For any standard 4 Stage RO system. Sediment, CTO Carbon Block, M...

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Original price $43.99 - Original price $43.99
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