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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
NSF 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...
View full detailsHydronix HF45 Series (Pressure Relief Button version) Commercial Filter Housings are high durability commercial filter housings for 20" length cart...
View full detailsThe Hydronix SWC-45-1020 polypropylene String wound filters have a particle retention Size of 20 micron and are used in a residential and commercia...
View full detailsWhole House String Wound Sediment Water Filter Cartridge 2.5" x 10" - 30 μm
5.0 / 5.0
4 Reviews
Hydronix SWC-25-1030 polypropylene String wound filters have a particle retention Size of 30 micron and are used in a residential and commercial wa...
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Whole House Sediment Pleated Water Filter, Washable & Reusable, 4.5" x 10", 1 μm
Hydronix SPC series 4.5" x 10" 1 Micron polyester pleated cartridges are manufactured from durable polyester to provide you with a superior pleated...
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Commercial, Industrial NSF Polypropylene Sediment Water Filter 2.5" x 40" - 1 μm
Hydronix SDC-25-4001 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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Hydro Guard HDG45-10BODY Replacement Housing for Hydro Guard Drop In Style HDG45 RO System
Hydro Guard HDG45-10BODY Replacement Housing for Hydro Guard Drop In Style HDG45 RO System
5.0 / 5.0
1 Review
Hydro Guard HDG45-10BODY Replacement Housing – OEM Drop-In Style for HDG-45 RO System Ensure the longevity and efficiency of your Hydro Guard HDG-4...
View full detailsHydron TW-1812-100D - 100 GPD Reverse Osmosis DI RO Membrane Replacement Filter, Fits Standard Systems
Hydron TW-1812-100D – 100 GPD Reverse Osmosis (RO) DI Membrane Replacement Filter The Hydron TW-1812-100D is a 100-gallon-per-day (GPD) Reverse Osm...
View full detailsHydronix NP-38 3/8" NPT Male Nipple Connector – Polypropylene, NSF Approved The Hydronix NP-38 is a high-quality 3/8" NPT male nipple connector mad...
View full detailsThe PG25300B is UV resistant, high quality water pressure gauge designed with the OEM in mind. From the special synthetic fluid used to fill the ga...
View full detailsThe Culligan 25-Micron Sediment Cartridge CW25-BBS is a replacement drinking water filter cartridge for use in several Culligan water filter housin...
View full detailsPolaris Scientific UV Ultraviolet Replacement Lamp, 17W For UVA-4C UV Systems
5.0 / 5.0
1 Review
Polaris Scientific GL17PP Replacement Germicidal Lamp for the UVA-4C Ultraviolet UV System.
Reverse Osmosis (RO) Tank Ball Valve 3/8" Quick Connect x 1/4" Female NPT
5.0 / 5.0
2 Reviews
The HDF-BVT0604 HYDROFIT™ Quick Connect Fittings are designed to provide all the typical benefits and ease of use of a quick connect t fitting whil...
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5 PK, Inline Post Reverse Osmosis Fridge Ice GAC Water Filter, 2000 Gal 1/4" NPT
Hydronix ICF-10 inline coconut shell carbon filters have 1/4" npt connections and are suitable for drinking water filtration applications. The coco...
View full detailsDesigned to filter 99% of contaminants and provide 75 GPD of safe clean water, iFilters has introduced the best RO system in the market at a great ...
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