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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
$30.95
$27.86
The Hydronix UDF-20BP granular activated carbon (GAC) cartridges are the best choice for your higher flow, taste, odder and chlorine reduction need...
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$30.95
$27.86
Sale
$24.90
$22.41
The Hydronix SPC-45-2005 4.5" x 20" 5 micron polyester pleated cartridges are manufactured from durable polyester to provide you with a superior pl...
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$24.90
$22.41
Sale
$49.99
$45.00
Hydronix SDP-4520 Sediment Dual Purpose Radial Flow Carbon Filter is compatible with RFC-20BB filters. It provides a unique design combining all th...
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$49.99
$45.00
Sale
$59.95
$53.96
Hydronix SMCB-4520 carbon block filters are NSF/ANSI standard 42 certified for Material and structural Safety. SMCB-4520 filters have a particle re...
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$59.95
$53.96
Sale
$18.51
$16.66
Hydronix CB-25-2005 carbon block filters are NSF/ANSI standard 42 certified for Material and structural Safety. CB-25-2005 filters have a particle ...
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$18.51
$16.66
Sale
$66.99
$60.30
Hydronix CB-45-2010 carbon block filters are NSF/ANSI standard 42 certified for Material and structural Safety. CB-45-2010 filters have a particle ...
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$66.99
$60.30
Sale
$27.94
$25.15
The Hydronix SPC-45-2001 4.5" x 20" 1 Micron polyester pleated cartridges are manufactured from durable polyester to provide you with a superior pl...
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$27.94
$25.15
Auto
Ship
Hydronix CB-45-2005 Whole House, Hydroponics, Commercial Carbon Block Water Filter 4.5" x 20" - 5 μm
Hydronix CB-45-2005 Whole House, Hydroponics, Commercial Carbon Block Water Filter 4.5" x 20" - 5 μm
in stock
Sale
$39.50
$35.55
Hydronix CB-45-2005 Whole House, Hydroponics, Commercial Carbon Block Water Filter – 4.5" x 20", 5 Micron Superior Water Filtration for Residential...
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$39.50
$35.55
Sale
$25.00
$22.50
The Hydronix SPC-45-2020 4.5" x 20" 20 micron polyester pleated cartridges are manufactured from durable polyester to provide you with a superior p...
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$25.00
$22.50
Sale
$23.74
$21.37
Hydronix SMCB-2520 carbon block filters are NSF/ANSI standard 42 certified for Material and structural Safety. SMCB-2520 filters have a particle re...
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$23.74
$21.37
Sale
$12.66
$11.40
The Hydronix SWC-25-2020 polypropylene String wound filters have a particle retention Size of 20 micron and are used in a residential and commercia...
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$12.66
$11.40
Sale
$28.00
$25.20
The Hydronix SWC-45-2005 polypropylene String wound filters have a particle retention Size of 5 micron and are used in a residential and commercial...
View full detailsSale
$28.00
$25.20
Sale
$28.00
$25.20
The Hydronix SWC-45-2020 polypropylene String wound filters have a particle retention Size of 20 micron and are used in a residential and commercia...
View full detailsSale
$28.00
$25.20
Sale
$12.74
$11.47
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 detailsSale
$12.74
$11.47
Sale
$13.37
$12.04
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 detailsSale
$13.37
$12.04
Sale
$23.75
$21.38
The Hydronix SPC-45-2010 4.5" x 20" 10 micron polyester pleated cartridges are manufactured from durable polyester to provide you with a superior p...
View full detailsSale
$23.75
$21.38
Sale
$55.00
$49.50
Hydronix CB-45-2001 Carbon Block filters are NSF/ANSI Standard 42 certified for material and structural safety. CB-45-2001 filters have a particle ...
View full detailsSale
$55.00
$49.50
Sale
$28.00
$25.20
The Hydronix SWC-45-2050 polypropylene String wound filters have a particle retention Size of 50 micron and are used in a residential and commercia...
View full detailsSale
$28.00
$25.20
Sale
$23.75
$21.38
The Hydronix SPC-45-2030 4.5" x 20" 30 micron polyester pleated cartridges are manufactured from durable polyester to provide you with a superior p...
View full detailsSale
$23.75
$21.38
Sale
$11.52
$10.37
Hydronix SPC series 2.5" x 20" 20 micron polyester pleated cartridges are manufactured from durable polyester to provide you with a superior pleate...
View full detailsSale
$11.52
$10.37
Sale
$28.00
$25.20
The Hydronix SWC-45-2001 polypropylene String wound filters have a particle retention Size of 1 Micron and are used in a residential and commercial...
View full detailsSale
$28.00
$25.20
Original price
$23.95
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Original price
$23.95
Original price
$23.95
$23.95
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$23.95
Current price
$23.95
Hydronix empty cartridges can be used with carbon, resin, KDF or any other media. Made from high impact polystyrene to withstand continuous usage a...
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Original price
$23.95
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Original price
$23.95
Original price
$23.95
$23.95
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$23.95
Current price
$23.95
Sale
$12.59
$11.34
The Hydronix SWC-25-2005 polypropylene String wound filters have a particle retention Size of 5 micron and are used in a residential and commercial...
View full detailsSale
$12.59
$11.34
Sale
$13.00
$11.70
Hydronix SPC series 2.5" x 20" 30 micron polyester pleated cartridges are manufactured from durable polyester to provide you with a superior pleate...
View full detailsSale
$13.00
$11.70
