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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!
Sale
$40.42
$36.38
The Hydronix HF45-10BLBK15 filter housing accepts 10 x 4.5-inch filters and is ideal for use in residential, commercial, and light industrial appli...
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$40.42
$36.38
Sale
$16.34
$14.71
Hydronix HF3 Series Slim Rib Cap Filter Housings are available in a variety of colors and are made to house 2.5" diameter cartridges. Most 2.5" x 5...
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$16.34
$14.71
Sale
$10.50
$9.45
Significantly enhance the life of your RO Membrane with the NSF iFilters Flush Valve. This flush valve provides a bypass to purge contaminates in t...
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$10.50
$9.45
Sale
$9.50
$8.55
Significantly enhance the life of your RO Membrane with the NSF iFilters Flush Valve. This flush valve provides a bypass to purge contaminates in t...
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$9.50
$8.55
Sale
$17.57
$15.82
The Hydronix SWC-45-10100 polypropylene String wound filters have a particle retention Size of 100 micron and are used in a residential and commerc...
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$17.57
$15.82
Sale
$22.82
$20.54
The Hydronix SWC-25-40100 polypropylene String wound filters have a particle retention Size of 100 micron and are used in a residential and commerc...
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$22.82
$20.54
Sale
$15.00
$13.50
The Hydronix SWC-25-1050 polypropylene String wound filters have a particle retention Size of 50 micron and are used in a residential and commercia...
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$15.00
$13.50
Sale
$12.99
$11.70
Hydronix SPC series 2.5" x 20" 10 micron polyester pleated cartridges are manufactured from durable polyester to provide you with a superior pleate...
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$12.99
$11.70
Sale
$19.52
$17.57
Hydronix SPC series 2.5" x 20" 1 Micron polyester pleated cartridges are manufactured from durable polyester to provide you with a superior pleated...
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$19.52
$17.57
Sale
$13.06
$11.76
Hydronix SDC-25-3075 polypropylene sediment filters have a particle retention Size of 75 micron and is used in a residential and commercial water f...
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$13.06
$11.76
Sale
$11.86
$10.68
Hydronix SBC-25-2005 polypropylene sediment bonded depth filters have a particle retention Size of 5 micron and are used in a residential and comme...
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$11.86
$10.68
Sale
$15.83
$14.25
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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$15.83
$14.25
Sale
$23.50
$21.15
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...
View full detailsSale
$23.50
$21.15
Sale
$23.50
$21.15
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...
View full detailsSale
$23.50
$21.15
Sale
$18.24
$16.42
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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$18.24
$16.42
Sale
$17.23
$15.51
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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$17.23
$15.51
Sale
$1.10
$0.99
Hydrofit, 3/8" Stem x 1/4" Tube Adapter Hydrofit, 3/8" Stem x 1/4" Tube Adapter
Sale
$1.10
$0.99
Sale
$66.25
$59.63
The HydroScientifc™ Jumbo HSC-40-1 Pleated Polyester Filter Cartridges are high flow performance cartridges designed to meet or exceed operational ...
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$66.25
$59.63
Polaris Scientific - UVA-946HO UV Disinfection System – 46 GPM High Output for Water Purification
in stock
Sale
$999.00
$899.10
Polaris Scientific UVA-946HO High-Capacity UV Disinfection System – 46 GPM Industrial Water Sterilizer The Polaris UVA-946HO Ultraviolet Disinfect...
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$999.00
$899.10
Polaris Scientific - UVA-630HO UV Disinfection System – 30 GPM High Output for Water Purification
in stock
Sale
$799.00
$719.10
Polaris Scientific UVA-630HO High-Capacity UV Disinfection System – 30 GPM Water Sterilizer The Polaris UVA-630HO Ultraviolet Disinfection System ...
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$799.00
$719.10
Polaris Scientific - UVA-418HO UV Disinfection System – 18 GPM High Output for Water Purification
in stock
Sale
$599.00
$539.10
Polaris Scientific UVA-418HO High Output UV Disinfection System – 18 GPM Water Sterilizer The Polaris Scientific UVA-418HO Ultraviolet Disinfectio...
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$599.00
$539.10
Sale
$91.99
$82.80
AQUATROL™ PRESSURE TANKS Aquatrol™ Pressure Tanks provide cost-effective reliability for residential and commercial applications. Available in size...
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$91.99
$82.80
Sale
$101.99
$91.80
Aquatrol AT-1035BK-25T 10 x 35 Pg Pressure Tank - 2.5” T Connection, Standard Base, Black
Sale
$101.99
$91.80
Sale
$86.76
$78.09
Aquatrol AT-1017BL-25T 10 x 17 Pg Pressure Tank - 2.5” T Connection, Standard Base, Blue
Sale
$86.76
$78.09
