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Water Filtration & Conditioning

Welcome to Plumbing Deals, your go-to source for high-quality water conditioning systems that seamlessly combine luxury, affordability, and top-tier quality. Whether you're a homeowner tackling DIY projects, a skilled plumber, or a seasoned contractor, our carefully selected products are here to enhance your water quality without straining your budget. 

Point of Use Filtration Systems

Water Filter Replacement Cartridges

Reverse Osmosis

Whole House Conditioning

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396 products

Two Pentair Everpure H-300 cylindrical water filtration cartridges with cream-colored tops and silver bodies.

Everpure EV9270-72 H-300 Water Filtration Replacement Cartridge - 2 Pack

SKU #: EVEEV927071X2   |   MPN #: EV927071
$776.32
$776.32 $0.00
MSRP: $1,109.04

Available in stock

Two cylindrical Pentair Everpure PBS-400 water filtration replacement cartridges with tan tops and certification badges.

Everpure EV9270-87 PBS-400 Water Filtration Replacement Cartridge - 2 Pack

SKU #: EVEEV927087x2   |   MPN #: EV927087
$319.66
$319.66 $0.00
MSRP: $456.64

Available in stock

Two cylindrical ScaleRX water filter cartridges with threaded metal ends and blue labels.

American Valve ScaleRX 3/4" Scale Prevention for Tankless Water Heaters - 2 Pack

SKU #: AMVSCALERX34x2   |   MPN #: SCALERX34
$330.00
$330.00 $0.00
MSRP: $500

Available in stock

Two Pentair Everpure H-300 water filtration replacement cartridges with cream-colored tops and silver bodies.

Everpure EV9270-72 H-300 Water Filtration Replacement Cartridge - 3 Pack

SKU #: EVEEV927071X3   |   MPN #: EV927071
$1,164.48
$1,164.48 $0.00
MSRP: $1,663.56

Available in stock

Sterling Water Treatment QC Series Reverse Osmosis Filter Replacement for QCRO-50, QCRO-PUMP - ROQC-B

Sterling Water Treatment QC Series Reverse Osmosis Filter Replacement for QCRO-50, QCRO-PUMP - ROQC-B

SKU #: STWROQCB   |   MPN #: ROQC-B
$77.41
$77.41 $0.00
MSRP: $89.60

Special Order. Expect 4-6 weeks for delivery, subject to change

White cylindrical water filter cartridge with MAX FLOW label and threaded connector top.

Environmental Water Systems F.SET.SS-2.5 Max Flow Filter Replacement

SKU #: EWSFSETSS25   |   MPN #: F.SET.SS-2.5
$171.75
$171.75 $0.00
MSRP: $249

Available in stock

Sterling Water Treatment RO membrane cartridge with blue housing, white end caps, and black fittings.

Sterling Water Treatment Universal RO Membrane, 50 GDC - RO-TFC50

SKU #: STWROTFC50   |   MPN #: RO-TFC50
$89.99
$89.99 $0.00
MSRP: $91.80

Available in stock

Five reverse osmosis filter cartridges including carbon, sediment, and membrane filters with white and gray cylindrical bodie

Sterling Water Treatment CP Series Reverse Osmosis Filter Replacement for DWSB-TFC-50, DWSB-50-PUMP - ROCP-B

SKU #: STWROCPB   |   MPN #: ROCP-B
$59.99
$59.99 $0.00
MSRP: $59.99

Available in stock

Sterling S501 water treatment filter cartridge with white body and blue accent label.

Sterling Water Treatment Scale Inhibitor Filter for S500SS - S501

SKU #: STWS501   |   MPN #: S501
$54.99
$54.99 $0.00
MSRP: $50.05

Available in stock

Two Sterling inline carbon filter cartridges with white bodies, blue bands, and quick-connect ports.

Sterling Water Treatment IC Series Inline Carbon Filter Cartridge 10 inch with 1/4 inch QC in/out - IC10Q

SKU #: STWIC10Q   |   MPN #: IC10Q
$19.99
$19.99 $0.00
MSRP: $19.99

Available in stock

Cylindrical white poly-bonded water filter cartridge with grooved sides and stacked filtration layers.

Sterling Water Treatment GB Series 4.5 inch x 10 inch Grooved Poly-Bonded 5 Micron Filter - GBJ1005

SKU #: STWGBJ1005   |   MPN #: GBJ1005
$34.99
$34.99 $0.00
MSRP: $34.99

Available in stock

White cylindrical polypropylene string wound sediment filter cartridge with textured wrap pattern.

Sterling Water Treatment SW Series 4.5 inch by 10 inch Polypropylene String Wound 10 Micron Sediment Filter Cartridge - SWJ1010

SKU #: STWSWJ1010   |   MPN #: SWJ1010
$29.99
$29.99 $0.00
MSRP: $29.99

Available in stock

Water testing kit with color-coded hardness and iron strips, pH test strip, four solution bottles, sample vial, and instructi

Sterling Water Treatment 2401 Water Testing Kit for Hardness, Iron and PH Levels - TK192401

SKU #: STWTK192401   |   MPN #: TK192401
$174.44
$174.44 $0.00
MSRP: $217

Available in stock

White cylindrical granular activated carbon filter cartridge with black top cap and threaded bottom connector.

Sterling Water Treatment GAC Series 4.5 inch x 10 inch Granular Activated Carbon Filter Cartridge - GACJ10

SKU #: STWGACJ10   |   MPN #: GACJ10
$31.94
$31.94 $0.00
MSRP: $31.94

Available in stock

Two white cylindrical inline carbon water filters with blue labels and quick connection fittings.

Sterling Water Treatment IC Series 6 inch, 5 Micron Inline Carbon Filter with 1/4-in Quick Connection - IC06Q

SKU #: STWIC06Q   |   MPN #: IC06Q
$15.84
$15.84 $0.00
MSRP: $15.84

Available in stock

White cylindrical carbon block filter cartridge with ribbed surface and threaded caps on both ends.

Sterling Water Treatment High Flow Carbon Block Filter Cartridge. 2.5inch x 10inch - CB1005

SKU #: STWCB1005   |   MPN #: CB1005
$17.99
$17.99 $18.26
MSRP: $18.26

Available in stock

Cylindrical water filter cartridge with gray granular activated carbon core, clear plastic end caps, and black top connector.

Granular Activated Carbon Water Filter Cartridge 2.5 x 10 - GAC10

SKU #: STWGAC10   |   MPN #: GAC10
$21.99
$21.99 $0.00
MSRP: $21.99

Available in stock

Sterling Water Treatment CRS Series Reverse Osmosis Filter Replacement for CRS-3 - ROCRS-B

Sterling Water Treatment CRS Series Reverse Osmosis Filter Replacement for CRS-3 - ROCRS-B

SKU #: STWROCRSB   |   MPN #: ROCRS-B
$95.03
$95.03 $0.00
MSRP: $116

Special Order. Expect 4-6 weeks for delivery, subject to change

Five Sterling Water Treatment reverse osmosis filter cartridges arranged in rows with labeled bands in white, yellow, and blu

Sterling Water Treatment ROQC-B & ROTFC-50 Reverse Osmosis Filter Bundle

SKU #: STWROQCB/STWROTFC50   |   MPN #: ROQC-B/RO-TFC50
$147.02
$147.02 $0.00
MSRP: $181.40

Special Order. Expect 4-6 weeks for delivery, subject to change

Two white Sterling S501 water filter cartridges with blue labels and black top caps.

Sterling Water Treatment Scale Inhibitor Filter for S500SS - S501 - 2 pack

SKU #: STWS501x2   |   MPN #: S501
$94.99
$94.99 $0.00
MSRP: $100.10

Available in stock

Pure Water and Healthy Living

Elevate your home with pure water that is perfectly chilled and refreshing. Luxury is now within reach with under sink, under counter, and faucet water filters. Enjoy products from leading brands such as Everpure, Franke, Whitlam, and more. Our home water filtration and conditioning systems meet the highest industry standards.

Count on our whole house conditioning systems, replacement cartridges, and pointof use filtration fixtures, to deliver the purest, healthiest water. Remove lead, chemical impurities, and particles from your water to improve the taste and odor.

Whether you're upgrading your home's water system, replacing old equipment, or starting a new project, Plumbing Deals has the solutions you need. Our handpicked products combine quality, style, and affordability, ensuring that your home's water is the purest and healthiest it can be. Dive into our water filtration and conditioning selection, seize fantastic deals, and let our products transform your home into a haven of pristine hydration. Enjoy clean, refreshing water from a filtered water dispenser.
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