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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!
Filters
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Whole House RO Reverse Osmosis Sediment Water Filter Cartridge 2.5" x 10", 20 μm
Hydronix SDC-25-1020 polypropylene sediment filters have a particle retention size of 20 microns and are used in residential and commercial water f...
View full detailsHydronix UDF-45PAD - Replacement Pad for 4.5" Empty Filter Cartridges Polypropylene Filter Cartridge Pad for 4.5" Refillable Water Filter Cartridge...
View full details3/4"Plastic Bypass Valve for Pro+Aqua, Aquatrol, Fleck Control Heads 56 Series, 2510, 5600, 5600SXT, 9000, 9100
(3 Pack) Hydronix CB-25-2010/3 RO Coconut Activated Carbon Block Water Filter 10 micron 2.5" x 20"
(3 Pack) Hydronix CB-25-2010 Carbon Block Water Filters – 10 Micron, 2.5” x 20” Upgrade your water filtration system with the Hydronix CB-25-2010 C...
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Alkaline PH Drinking Water Filter for Chlorine, Chloramines, Taste, Odor, Heavy Metals
Convert any standard water filtration unit into an Alkaline Drinking Water System with the PRO+AQUA FC-10-ALK Multi-Stage Alkaline Drinking Water F...
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Whole House Sediment Pleated Water Filter, Washable & Reusable 2.5" x 20", 50 μm
Hydronix SPC series 2.5" x 20" 50 micron polyester pleated cartridges are manufactured from durable polyester to provide you with a superior pleate...
View full detailsHydronix empty cartridges can be used with carbon, resin, KDF or any other media. Made from high impact polystyrene to withstand continuous usage a...
View full detailsThe Hydronix CB-25-1001 NSF Certified Carbon Block water filter is manufactured with high purity coconut shell carbon and is available in a wide ra...
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Hydronix CB-25-0505 NSF Coconut Activated Carbon Block Water Filter 5 μm 2.5 x 5
Hydronix CB-25-0505 NSF Coconut Activated Carbon Block Water Filter 5 μm 2.5 x 5
5.0 / 5.0
2 Reviews
The Hydronix CB-25-0505 NSF Certified Carbon Block water filter is manufactured with high purity coconut shell carbon and is available in a wide ra...
View full detailsThe Hydronix HF45-20CLBK15PR Big Blue size 20" Clear Filter Housing with PR button is an extra-wide housing that accommodates large 4.5" wide filte...
View full detailsThe CLP-2520W 2.5" X 2" Double Clip for Membrane Housings is a replacement filter clip that is constructed out of polypropylene, making it durable ...
View full detailsThe CLP-20W can be used with any Standard 2" filter including Everpure, Pentek, Hydronix, Omnipure and other 2" - 2 1/4" inline filters or membrane...
View full detailsThis Aquatrol Fleck Compatible Adapter Coupling Set are used in Fleck or Aquatrol Valves
Polaris Scientific QS10 Replacement Quartz Sleeve for the UVA-1C Ultraviolet UV System. Natural quartz sleeve to protect the lamp and allow the max...
View full detailsNSF Certified 14-Gallon Reverse Osmosis Water Storage Tank. Lead, brass, and copper are banned for use in purified/drinking water. This tank utiliz...
View full detailsPro+Aqua 3/4" Garden Hose Quick Connect Fittings, Easy Water Hose Attachments
Arsenic & Chlorine Carbon Block Water Filter Cartridge, 5 micron 2.5 x 10
5.0 / 5.0
2 Reviews
The Hydronix CB-AR-2510 Arsenic filter has a particle retention Size of 5 microns, and are ideal for drinking water filtration applications. The Hy...
View full detailsPolaris UVA-8C Whole House UV Ultraviolet Deactivator System 8 GPM with 9000 Hour Bulb. The perfect addition for home filtration systems needing ad...
View full detailsHydronix 20" 2-Stage Filter Replacement Kit - Includes 5 micron Carbon Block & Sediment Filters
Replacement filter set for 2 stage 20" filter system. Includes the carbon block filter and sediment filter. Filters need be replaced at least once ...
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Whole House Sediment Pleated Water Filter, Washable & Reusable, 2.5" x 20", 5 μm
Hydronix SPC series 2.5" x 20" 5 micron polyester pleated cartridges are manufactured from durable polyester to provide you with a superior pleated...
View full detailsPro+Aqua 1" Stainless Steel Bypass Valve for Water Softener/Filtration Systems
5.0 / 5.0
1 Review
1" Stainless Steel Bypass Valve for Pro+Aqua, Aquatrol, Fleck Control Heads 56 Series, 2510, 5600, 5600SXT, 9000, 9100
Replacement O-Ring for the Hydronix MH03 Membrane Housings. Made from durable EPDM material. This O-Ring is for the housing unit and not the Cap. F...
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3 PACK Reverse Osmosis Post Fridge GAC Carbon Inline Water Filters 1/4" QC Ports
This Hydronix ICF-10Q inline coconut filter has 1/4" quick-connect connections and is suitable for drinking water filtration applications. This NSF...
View full details3.2 Gallon SS Reverse Osmosis Storage Water Tank, Small Size - White, 1/4" Port
5.0 / 5.0
2 Reviews
The PAE RO-122 Reverse Osmosis tanks features a virgin polypropylene liner, high-grade chlorobutyl diaphragm and stainless steel 1/4" MPT water con...
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