Collection: Water Filter Replacement Cartridges
Keep Your Water Clean with Reliable Replacement Filters
Our replacement water filters are designed to maintain optimal filtration performance and ensure clean, great-tasting drinking water. These high-quality replacement cartridges help remove contaminants, reduce impurities, and keep your home water filtration system running efficiently.
Find the right water filter replacement for your system and continue enjoying clean, safe water for drinking, cooking, and everyday use.
Better Water for Everyday Life
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Pentair Pentek R50-BB Big Blue Sediment Water Filter, 10-Inch, Whole House Pleated Polyester Filter Cartridge, 10" x 4.5", 50 Micron, Pack of 2
Regular price $43.81Regular price -
Pentair Pentek RFC-20BB Big Blue Carbon Water Filter, 20-Inch, Whole House Heavy Duty Radial Flow Carbon Replacement Cartridge with Granular Activated (GAC) Filter, 20" x 4.5", 25 Micron
Regular price $286.85Regular price -
Pentair Pentek RFC-BB Big Blue Carbon Water Filter, 10-Inch, Whole House Heavy Duty Radial Flow Carbon Replacement Cartridge with Granular Activated (GAC), 10" x 4.5", 25 Micron, Pack of 8
Regular price $699.86Regular price -
Pentair Pentek RFC-20BB Big Blue Carbon Water Filter, Whole House Heavy Duty Radial Flow Carbon Replacement Cartridge with Granular Carbon (GAC) Filter, 20" x 4.5", 25 Micron, Pack of 6, White
Regular price $619.92Regular price -
Pentair Pentek RFC-BB Big Blue Carbon Water Filter, 10-Inch, Whole House Heavy Duty Radial Flow Carbon Replacement Cartridge with Granular Activated Carbon (GAC) Filter, 10" x 4.5", 25 Micron
Regular price $78.44Regular price -
Pentair Pentek RFC-20 Carbon Water Filter, 20-Inch, Whole House Radial Flow Carbon Replacement Cartridge with Granular Activated Carbon (GAC) Filter, 20" x 2.5", 25 Micron
Regular price $89.57Regular price -
Pentair Pentek RFC-BB Big Blue Carbon Water Filter, 10-Inch, Whole House Heavy Duty Radial Flow Carbon Replacement Cartridge with Granular Activated (GAC), 10" x 4.5", 25 Micron, Pack of 2
Regular price $128.52Regular price -
Pentair Pentek RFC-20BB Big Blue Carbon Water Filter, 20-Inch, Whole House Heavy Duty Radial Flow Carbon Replacement Cartridge with Granular Activated Carbon (GAC) Filter, 20" x 4.5", 25 Micron
Regular price $138.61Regular price -
Pentair Pentek WP.5BB97P Big Blue Sediment Water Filter, 10-Inch, Whole House Polypropylene String-Wound Filter Cartridge, 10" x 4.5", 0.5 Micron
Regular price $46.89Regular price -
Pentair Pentek WP5BB97P Big Blue Sediment Water Filter, 10-Inch, Whole House Polypropylene String-Wound Filter Cartridge, 10" x 4.5", 5 Micron
Regular price $32.73Regular price -
PUREPLUS 5 Micron 10" x 4.5" Whole House Activated Carbon Water Filter, Enhanced Lead Removal Carbon Replacement Cartridge, Compatible with GE GXWH40L, GXWH35F, BB10, FXHTC, FC15B, CTO10BB-CQB, 3PACK
Regular price $134.39Regular price -
PUREPLUS 5 Micron 10" x 4.5" Whole House CTO Coconut Shell Activated Carbon Water Filter Replacement Cartridge for Dupont WFHDC8001, CB-BB-10, GE FXHTC, GXWH40L, GXWH35F, GNWH38S, CTO10BB, 2PACK
Regular price $71.37Regular price -
PUREPLUS 5 Micron 10" x 4.5" Whole House Activated Carbon Water Filter, Enhanced Lead Removal Carbon Replacement Cartridge, Compatible with GE GXWH40L, GXWH35F, BB10, FXHTC, FC15B, CTO10BB-CQB, 2PACK
Regular price $111.99Regular price -
Pentair Pentek R30-BB Big Blue Sediment Water Filter, 10-Inch, Whole House Pleated Polyester Filter Cartridge, 10" x 4.5", 30 Micron
Regular price $29.06Regular price -
Pentair Pentek R30-20BB Big Blue Sediment Water Filter, Whole House Pleated Polyester Filter Cartridge, 20" x 4.5", 30 Micron, White
Regular price $71.61Regular price -
Pentair Pentek RFFE20-BB Big Blue Water Filter, 20-Inch, Whole House Radial Flow Iron Reduction Replacement Cartridge, 20" x 4.5", White
Regular price $184.21Regular price -
Pentair Pentek RFFE20-BB Big Blue Water Filter, 20-Inch, Whole House Radial Flow Iron Reduction Replacement Cartridge, 20" x 4.5", Pack of 2
Regular price $224.42Regular price -
Pentair Pentek RFFE20-BB Big Blue Water Filter, 20-Inch, Whole House Radial Flow Iron Reduction Replacement Cartridge, 20" x 4.5", Pack of 4
Regular price $448.84Regular price -
Pentair Pentek RFFE10-BB Big Blue Water Filter, 10-Inch, Whole House Radial Flow Iron Reduction Replacement Cartridge, 10" x 4.5"
Regular price $149.94Regular price -
PUREPLUS 20 Micron 10" x 4.5" Whole House Pleated Sediment Filter for Well Water, Replacement Cartridge for GE FXHSC, Culligan R50-BBSA, Pentek R50-BB, DuPont WFHDC3001, W50PEHD, GXWH40L,4Pack
Regular price $79.79Regular price -
PUREPLUS 20 Micron 10" x 4.5" Whole House Pleated Sediment Filter for Well Water, Replacement Cartridge for GE FXHSC, Culligan R50-BBSA, Pentek R50-BB, DuPont WFHDC3001, W50PEHD, GXWH40L, 2Pack
Regular price $41.99Regular price -
PUREPLUS 20 Micron 10" x 4.5" Whole House Pleated Sediment Filter for Well Water, Replacement Cartridge for GE FXHSC, Culligan R50-BBSA, Pentek R50-BB, DuPont WFHDC3001, W50PEHD, GXWH40L, 3Pack
Regular price $62.71Regular price -
PUREPLUS 5 Micron 10" x 2.5" Whole House Grooved Sediment Home Water Filter, Replacement Cartridge for 10 inch RO Pre-Filter & RV Housing, AO-WH-PREV-R2, AP110, WHKF-G05,AB-SGR5M, GXWH20S,CFS10, 2Pack
Regular price $23.79Regular price -
PUREPLUS 5 Micron 10" x 2.5" Whole House Grooved Sediment Home Water Filter, Replacement Cartridge for 10 inch RO Pre-Filter & RV Housing, AO-WH-PREV-R2, AP110, WHKF-G05,AB-SGR5M, GXWH20S,CFS10, 6Pack
Regular price $48.99Regular price -
PUREPLUS 5 Micron 10" x 2.5" Whole House Grooved Sediment Home Water Filter, Replacement Cartridge for 10 inch RO Pre-Filter & RV Housing, AO-WH-PREV-R2, AP110, WHKF-G05,AB-SGR5M, GXWH20S,CFS10, 3Pack
Regular price $27.99Regular price -
PUREPLUS 4.5"x20" 3-Stage Whole House Water Filter Cartridges, Sediment, Granular Activated Carbon, and Activated Carbon Block, Replacement for F3WGB32BM, AP810-2, GAC-20BB, FG25B-KS, EPM-20BB, FC25B
Regular price $197.39Regular price -
PUREPLUS 4.5"x20" 3-Stage Whole House Water Filter Cartridge, Sediment, Iron &Manganese Reduction, Carbon Block, Replacement for F3WGB32BM, AP810-2, FM25B, RFFE20-BB, EPM-20BB, FC25B, P5-20BB
Regular price $223.99Regular price -
PUREPLUS 4.5"x 20" 3-Stage Whole House Water Filter Cartridge Combo Kit with Sediment, KDF & Granular Activated Carbon, and Activated Carbon Block Filter - 5 Micron Water Filtration Replacement Kit
Regular price $237.99Regular price -
PUREPLUS 4.5"x 20" 3-Stage Whole House Water Filter Cartridge Combo Kit with Pleated Sediment, Iron & Manganese Reduce, and Activated Carbon Block Filter - 5 Micron Water Filtration Replacement Kit
Regular price $195.99Regular price -
PUREPLUS 1-Stage Whole House Water Filter, with Iron Manganese Reducing Water Filter, 10"x4.5" Cartridge Universal Housing, Pre-Filtration System for Well Water, 1" NPT Port, Pressure Release
Regular price $121.79Regular price -
Pentair Pentek S1-BB Big Blue Sediment Water Filter, 10-Inch, Whole House Heavy Duty Pleated Cellulose Filter Cartridge, 10” x 4.5”, 20 Micron
Regular price $22.50Regular price -
PUREPLUS 20 Micron 10" x 4.5" Whole House Sediment Home Water Filter Replacement Cartridge for Culligan RFC-BBSA, HD-950, WFHD13001B, W15-PR, GXWH30C, GXWH35F, Aqua-Pure AP817, PP10BB, 2PACK
Regular price $33.59Regular price -
PUREPLUS 10 Micron 10" x 4.5" Whole House Sediment Home Water Filter Replacement Cartridge for Culligan RFC-BBSA, HD-950, WFHD13001B, W15-PR, GXWH30C, GXWH35F, Aqua-Pure AP817, PP10BB, 2PACK
Regular price $33.59Regular price -
PUREPLUS 5 Micron 10" x 4.5" Whole House Sediment Home Water Filter Replacement Cartridge for DGD-5005, RFC-BBSA, HD-950, WFHD13001B, W15-PR, GXWH30C, GXWH35F, Aqua-Pure AP817, PP10BB, 2PACK
Regular price $33.59Regular price
30-Day Easy Returns
Easy returns within 30 days.
Flexible payment
Flexible payment options available.
+1 (310) 731 1713 DIY ONLY
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See the Difference in Your Water — Instantly
Hard water, chlorine, and hidden contaminants can affect your health, skin, and appliances.
Our advanced filtration system removes impurities and delivers clean, safe water throughout your entire home.
Feel the difference in every drop — from your kitchen to your shower.
Pure Water. Better Living.
Experience the difference clean, softened water makes in your daily life — from healthier skin to better tasting drinking water.
👉 Softer skin and smoother hair with every shower.
👉 Enjoy healthier skin and hair with every use.
👉 Prevent scale buildup and keep your appliances running efficiently.
👉 Softer, brighter clothes that last longer with every wash.
FAQ
Is installation difficult?
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No. Our systems are designed for easy DIY installation and most homeowners can install them without professional tools. If you need help, our support team is always available.
Do I need a plumber to install the system?
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No plumber is required. The system connects directly to your existing plumbing with simple fittings.
How does this system improve water quality?
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Our filtration system helps reduce common impurities and minerals that cause hard water problems, improving the taste and clarity of your water.
Will this help protect my appliances?
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Yes. Hard water minerals can build up inside appliances. Our system helps reduce scale buildup, helping extend the life of washing machines, dishwashers, and water heaters.
How often do filters need to be replaced?
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Most filters only need replacement every 6–12 months, depending on usage and local water conditions.
Will this improve my skin and hair?
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Many customers notice softer skin and smoother hair after switching to filtered or softened water.
What if I'm not satisfied with the system?
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If you're not completely satisfied, you can return your product within 30 days for a full refund.
Strategic Partner
Water Filtration & Home Water Guide
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Reverse Osmosis vs Water Filter — Which Is Better?
Not sure if you need Reverse Osmosis or a standard water filter? Learn the real differences, what each system removes, and how to choose the best option for your home.
Reverse Osmosis vs Water Filter — Which Is Better?
Not sure if you need Reverse Osmosis or a standard water filter? Learn the real differences, what each system removes, and how to choose the best option for your home.
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Do I Really Need a Water Filter at Home?
Wondering if your home needs a water filter? Learn how to check your water quality, compare filter types, and choose the right system for safer, better-tasting water.
Do I Really Need a Water Filter at Home?
Wondering if your home needs a water filter? Learn how to check your water quality, compare filter types, and choose the right system for safer, better-tasting water.
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7 Signs You Have Hard Water in Your Home
Water quality plays an important role in everyday life. From drinking water to showering and washing dishes, the type of water flowing through your home affects comfort, cleanliness, and even...
7 Signs You Have Hard Water in Your Home
Water quality plays an important role in everyday life. From drinking water to showering and washing dishes, the type of water flowing through your home affects comfort, cleanliness, and even...
