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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!
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2 Pack 18" Corrugated Stainless Steel Flexible Water Line with 1" NPT Port. These bendable flex hoses allow for easy installation for Water Softene...
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Polaris Scientific UV-39SPRING – Stainless Steel Spring for Polaris UV Systems The Polaris UV-39SPRING is an OEM replacement stainless steel spring...
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Original replacement cap for the Hydronix HF45 housings with 1" In/Out Ports Original replacement cap for the iFilters MWH Series Filtration System...
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HDF-FF06 3/8" Tube x 7/16" - 24 UNS Faucet Fitting
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Hydronix HF5-20BLBK34 Blue Filter Housings are made to house 2.5" x 20” cartridges. Most 2.5" x 20” cartridges fit easily. Ideal for typical applic...
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1/4 Reverse Osmosis Leak Detector (Shut-Off Valve) The Flowlok leak detector is an innovative device installed right below your water filtration s...
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HDF-FF04 1/4" Tube x 7/16" - 24 UNS Faucet Fitting
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Replacement O-Ring for the Hydronix MH03 Membrane Housings Cap. Made from durable EPDM material. This O-Ring is for use on the housing Cap. For the...
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The Hydronix HF45-10CLBK10PR 10" Clear Filter Housing (with Pressure Relief Button) is an extra-wide housing that accommodates large 4.5" wide filt...
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The HF4-20WHWH38 is a 20" White Body housing with a White Flat Cap and 3/8" port. This housings has Double O-Rings. Uses any brand of standard 2.5”...
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(4 Pack) Hydronix HDG-SED-AC5/4 Culligan Compatible Sediment Water Filter For AC30 AC15 Systems
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Hydro Guard HDG-SED-AC5/4 Sediment Water Filter – Culligan Compatible (4-Pack) for AC30 & AC15 Systems Ensure cleaner, clearer water with the H...
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Hydro Guard HDG-CB-AC10 Carbon Block Water Filter – Compatible with Culligan AC30 & AC15 Systems The Hydro Guard HDG-CB-AC10 Carbon Block Water...
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Replacement drain line for water softeners and filtration systems. Compatible with most systems using standard 1/2" Quick Connect (push-in) port.
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The Hydrofit 3/8" 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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The PT04-YL-0500 Yellow Polyethylene tubing is manufactured from top quality, low density materials. The PT04-YL-0500 is ideal for a variety of use...
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Polaris Scientific GL14SE4P – 14W Ultraviolet (UV) Replacement Lamp for UV-2C Systems The Polaris Scientific GL14SE4P is a high-quality germicidal ...
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The Hydrofit HDF-PE0404 1/4" Stem x 1/4" Tube Plug In Elbow are designed for ease of use. Hydrofit Quick Connect Fittings are designed to provide a...
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Polaris Scientific GL10SE4P – 10W UV Ultraviolet Germicidal Replacement Lamp (4-Pin) for UV-1C System The Polaris Scientific GL10SE4P is a high-qua...
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HydroScientific MRH-720-2 SS304 Stainless Steel Multi-Round Filter Housing Heavy-Duty 7-Round 20" Filter Housing | 150 PSI | 2" FNPT Ports | 84 GPM...
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Polaris Scientific GL24PP Replacement Germicidal Lamp for the UVA-6C Ultraviolet UV System.
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NSF Certified 4.5 Gallon (3.2 Draw-down) Reverse Osmosis Water Storage Tank. Lead, brass and copper are banned for use in purified/drinking water. ...
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The Hydronix MH03-1812WH Membrane Housings are manufactured with high-quality NSF approved material and will accommodate standard membrane elements...
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The HF4-10WHWH38 is a 10" White Body housing with a White Flat Cap and 3/8" port. This housings has Double O-Rings. Uses any brand of standard 2.5”...
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The Hydronix LF-BLRAG long reach air gap faucet is a chrome plated faucet that can be used in reverse Osmosis and Drinking water systems. The LF-BL...
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