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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 $18.00 - Original price $18.00
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Hydron TW-1812-50 – 50 GPD Reverse Osmosis Membrane for DI & RO Systems The Hydronix TW-1812-50 is a high-performance 50 GPD Reverse Osmosis me...

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Original price $67.95 - Original price $67.95
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4 Pack Hydronix CB-45-1005 Coconut Shell Carbon Block water filter cartridge measures 4.5" x 10" standard. This filters offers a 5 micron nominal f...

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Original price $67.95 - Original price $67.95
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Original price $275.00 - Original price $275.00
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Fully featured advanced digital filtration valve. This version offers a high back-flush flow rate ideal for heavy media for maximum lift and flow. ...

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Original price $275.00 - Original price $275.00
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Original price $35.00 - Original price $35.00
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Hydronix SDC-45-2001 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 $22.26 - Original price $22.26
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The Hydronix LF-BLR-BN long reach faucet is a brushed nickel faucet that can be used in reverse Osmosis and Drinking water systems. The LF-BLR-BN f...

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Original price $229.99 - Original price $229.99
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Aquatrol AQT-56SE-FT Digital Water Filter Valve – 1" Ports, Fully Automatic The Aquatrol AQT-56SE-FT Digital Filtration Valve is an advanced, fully...

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Original price $229.99 - Original price $229.99
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Original price $129.95 - Original price $129.95
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Aquatrol BT-1633-KIT Water Softener Brine Tank with Safety Float – 16" x 33", Black The Aquatrol BT-1633-KIT Universal Brine Tank is a high-quality...

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Original price $129.95 - Original price $129.95
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Original price $12.49 - Original price $12.49
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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 $295.00 - Original price $295.00
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Polaris UVA-12C Whole House UV Ultraviolet Deactivator System – 12 GPM Chemical-Free Water Purification for Your Entire Home The Polaris UVA-12C Wh...

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Original price $295.00 - Original price $295.00
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Original price $49.99 - Original price $49.99
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5 Stage NSF Reverse Osmosis RO Replacement Water Filter Set with 100 GPD Membrane. For any standard RO system. Sediment, UDF, CTO, Membrane & G...

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Original price $49.99 - Original price $49.99
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Original price $19.50 - Original price $19.50
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This High Quality 3 set SmartPack RO Reverse Osmosis Replacement filter cartridges (Pre-filters) are NSF Certified, measuring 2.5" x 10". These fil...

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Original price $78.93 - Original price $78.93
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Aquatrol AT-1035BL-25T – 10" x 35" Mineral Pressure Tank for Water Softeners & Filtration (2.5" Port) The Aquatrol AT-1035BL-25T Mineral Pressu...

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Original price $78.93 - Original price $78.93
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Original price $17.27 - Original price $17.27
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Hydronix CB-25-1005 Carbon Block filters are NSF/ANSI Standard 42 certified for material and structural safety. CB-25-1005 filters have a particle ...

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Original price $329.94 - Original price $329.94
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PRO+AQUA WS-P-16-BNDL – Portable RV Water Softener & Filtration System Bundle – 16,000 Grains Premium Portable Water Softener & Filtration ...

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Original price $329.94 - Original price $329.94
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Original price $1.13 - Original price $1.13
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Replacement O-Ring for the Hydronix HF5 filter housings. Made from durable Buna-N material. This replacement O-Ring is made to be used with the Opa...

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Original price $149.99 - Original price $149.99
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The iFilters MWHSD20-WELL 20" Clear Heavy Duty Whole House Well Water Filter System comes complete with a high quality reusable/washable chemical r...

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Original price $149.99 - Original price $149.99
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Original price $18.49 - Original price $18.49
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The 5 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 $39.99 - Original price $39.99
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0.25 Cubic Foot, perfect for portable water softeners needing resin media replacement. 100% compatible replacement for any water softener system us...

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Original price $36.99 - Original price $36.99
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Hydro Guard HDG-CB6-38 Carbon Block Water Filter – 0.5 Micron, 3/8" NPT Port The Hydro Guard HDG-CB6-38 Carbon Block Water Filter delivers premium ...

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Original price $36.99 - Original price $36.99
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Original price $714.16 - Original price $800.00
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iFilters XWH-1000 Whole House Water Filtration System – 1,000,000 Gallon Capacity with Pre-Filter & GAC/KDF (SP30-4510)

Original price $714.16 - Original price $800.00
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Original price $42.95 - Original price $42.95
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Hydronix 4 Pack 20 Micron Whole House Hydronix SPC-45-1020 Pleated Sediment Water Filters - Washable & Reusable. Compatible with any standard h...

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Original price $42.95 - Original price $42.95
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Original price $75.00 - Original price $75.00
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2 Pack Hydronix CB-45-2005 (Pentek EP-20BB, Watts WCBCFF20 Comparable) Coconut Shell Carbon Block water filter cartridge measures 4.5" x 20" standa...

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Original price $75.00 - Original price $75.00
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Original price $52.49 - Original price $52.49
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The Hydronix HF45-20BLBK10PR 20" 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 $45.40 - Original price $45.40
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This Hydronix SDP-4510 Sediment Dual Purpose Radial Flow GAC Carbon Filter is best filter in the market for Dual Purpose Filtration and is comparab...

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Original price $45.40 - Original price $45.40
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