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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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3/4" Stainless Steel Bypass Valve for Pro+Aqua, Aquatrol, Fleck Control Heads 56 Series, 2510, 5600, 5600SXT, 9000, 9100
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Hydronix HF45-10CLBK10 Water Filter Housing – 10” Big Blue (BB) Clear Housing, 1” Ports The Hydronix HF45-10CLBK10 is a 10" Clear Big Blue (BB) Wat...
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Polaris Scientific UV-NUT-2 – Aluminum Short Nut for Polaris UV Systems The Polaris UV-NUT-2 is an OEM replacement short nut designed for Polaris u...
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Polaris Scientific GL24SE4P – 24W UV Germicidal Replacement Lamp for UV-6C Systems The Polaris Scientific GL24SE4P is a high-performanc...
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The Hydrofit 1/4" Tube x 1/4" Tube Inline Ball Valves are designed for ease of use. Hydrofit Quick Connect Fittings are designed to provide all the...
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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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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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OEM Replacement cap for LWH Series filtration systems made after 2021.
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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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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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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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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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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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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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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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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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3/8" In/Out Female Quick Connect Elbow. These Quick Connect Fittings are designed to provide all the typical benefits and ease of use of a quick co...
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Polaris Scientific UV-NUT-1 – Aluminum Long Nut for Polaris UV Systems The Polaris UV-NUT-1 is a high-quality OEM replacement long nut designed for...
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Polaris Scientific QS24 Replacement Quartz Sleeve for the UVA-6C Ultraviolet UV System. Natural quartz sleeve to protect the lamp and allow the max...
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The Hydronix HF45-10CLBK34 (Note: Picture shows PR version, this one does not include the PR button) 10" Clear Filter Housing is an extra-wide hous...
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The Hydronix HF45-10BLBK10 10" Filter Housing is an extra-wide housing that accommodates large 4.5" wide filters for increased flow. It is made of ...
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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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Hydronix HF3 series Slim Rib cap Filter housings are ideal for Typical applications such as pre- and post-filtration for ro systems, under sink fil...
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Hydronix HF2 series Slim flat cap Filter housings are ideal for Typical applications as pre- and post-filtration for RO systems, under sink filters...
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