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 DGD-5005 Big Blue Water Filter, 10-Inch Whole House Sediment Filter Cartridge Replacement, Dual-Gradient Density Spun Polypropylene, 10" x 4.5", 5 Micron, Pack of 8
Regular price $160.51Regular price -
Pentair Pentek DGD-5005 Big Blue Water Filter, 10-Inch Whole House Sediment Filter Cartridge Replacement, Dual-Gradient Density Spun Polypropylene, 10" x 4.5", 5 Micron, Pack of 2
Regular price $53.03Regular price -
Pentair Pentek DGD-5005 Big Blue Water Filter, 10-Inch Whole House Sediment Filter Cartridge Replacement, Dual-Gradient Density Spun Polypropylene, 10" x 4.5", 5 Micron, Pack of 1
Regular price $27.85Regular price -
Pentair Pentek DGD-2501 Big Blue Water Filter, 10-Inch Whole House Sediment Filter Cartridge Replacement, Dual-Gradient Density Spun Polypropylene, 10" x 4.5", 1 Micron, Pack of 1
Regular price $36.74Regular price -
Pentair Pentek DGD-7525 Big Blue Water Filter, 10-Inch Whole House Sediment Filter Cartridge Replacement, Dual-Gradient Density Spun Polypropylene, 10" x 4.5", 25 Micron, Pack of 8
Regular price $231.74Regular price -
Pentair Pentek DGD-2501 Big Blue Water Filter, 10-Inch Whole House Sediment Filter Cartridge Replacement, Dual-Gradient Density Spun Polypropylene, 10" x 4.5", 1 Micron, Pack of 8
Regular price $197.15Regular price -
Pentair Pentek GAC-10 Carbon Water Filter, 10-Inch, Under Sink Granular Activated Carbon (GAC) Replacement Cartridge, 10" x 2.5" , Blue
Regular price $31.25Regular price -
Pentair Pentek GAC-BB Big Blue Carbon Water Filter, 10-Inch, Whole House Heavy Duty Granular Activated Carbon (GAC) Replacement Cartridge, 10" x 4.5", Pack of 2
Regular price $108.22Regular price -
Pentair Pentek GAC-20BB Big Blue Carbon Water Filter, 20-Inch, Heavy Duty Granular Activated Carbon (GAC) Replacement Cartridge, 20" x 4.5", Pack of 4
Regular price $379.11Regular price -
Pentair Pentek GAC-20BB Big Blue Carbon Water Filter, 20-Inch, Heavy Duty Granular Activated Carbon (GAC) Replacement Cartridge, 20" x 4.5"
Regular price $111.99Regular price -
Pentair Pentek GAC-BB Big Blue Carbon Water Filter, 10-Inch, Whole House Heavy Duty Granular Activated Carbon (GAC) Replacement Cartridge, 10" x 4.5", Pack of 8
Regular price $388.92Regular price -
Pentair Pentek GAC-BB Big Blue Carbon Water Filter, 10-Inch, Whole House Heavy Duty Granular Activated Carbon (GAC) Replacement Cartridge, 10" x 4.5"
Regular price $63.15Regular price -
Pentair Pentek GAC-20 Carbon Water Filter, 20-Inch, Whole House Granular Activated Carbon (GAC) Replacement Cartridge, 20" x 2.5", White
Regular price $53.19Regular price -
Pentair Pentek ChlorPlus20BB Big Blue Carbon Water Filter, 20-Inch, Whole House Chloramine Reduction Carbon Replacement Cartridge, 20" x 4.5", 1 Micron
Regular price $324.79Regular price -
Pentair Pentek ChlorPlus10BB Big Blue Carbon Water Filter, 10-Inch, Whole House Chloramine Reduction Carbon Replacement Cartridge, 10" x 4.5", 1 Micron
Regular price $150.04Regular price -
Pentair Pentek BBFS-22 Big Blue Two-Housing Filtration System, 1" NPT #20 High Capacity Water Filter Housing, Holds 20" x 4.5" Filter Cartridges
Regular price $343.48Regular price -
Pentair Pentek BBFS-222 Big Blue Three-Housing Filtration System, 1" NPT #20 High Capacity Water Filter Housing, Holds 20" x 4.5" Filter Cartridges
Regular price $489.93Regular price -
Pentair Pentek ChlorPlus10 Carbon Water Filter, 10-Inch, Under Sink Chloramine Reduction Carbon Replacement Cartridge, 10" x 2.5", 1 Micron
Regular price $34.57Regular price -
Pentair Pentek FloPlus-10BB Big Blue Carbon Water Filter, 10-Inch, Whole House Modified Molded Carbon Block Replacement Cartridge, 10" x 4.5", 0.5 Micron
Regular price $93.70Regular price -
Pentair Pentek FloPlus-10 Carbon Water Filter, 10-Inch, Under Sink Modified Molded Carbon Block Replacement Cartridge, 10" x 2.5", 0.5 Micron
Regular price $43.68Regular price -
Pentair Pentek FloPlus-20 Carbon Water Filter, 20-Inch, Whole House Modified Molded Carbon Block Replacement Cartridge, 20" x 2.5", 0.5 Micron
Regular price $82.28Regular price -
Pentair Pentek FloPlus-20BB Big Blue Carbon Water Filter, 20-Inch, Whole House Modified Molded Carbon Block Replacement Cartridge, 20" x 4.5", 0.5 Micron
Regular price $189.91Regular price -
Pentair OMNIFilter TO8 Carbon Water Filter, 10" Heavy Duty Big Blue Whole House Granular Carbon Taste & Odor Replacement Filter Cartridge, 10" x 4.5", 25 Micron |(Pack of 2)
Regular price $120.20Regular price -
Pentair OMNIFilter TO8 Carbon Water Filter, 10" Heavy Duty Big Blue Whole House Granular Carbon Taste & Odor Replacement Filter Cartridge, 10" x 4.5", 25 Micron
Regular price $58.51Regular price -
Pentair OMNIFilter TO8-20 Carbon Water Filter, 20" Heavy Duty Big Blue Whole House Granular Carbon Taste & Odor Replacement Filter Cartridge, 20" x 4.5", 25 Micron
Regular price $96.42Regular price -
Pentair Pentek ECP20-BB Big Blue Sediment Water Filter, 10-Inch, Whole House Heavy Duty Pleated Cellulose Polyester Replacement Cartridge, 10" x 4.5", Blue End Cap, 20 Micron
Regular price $34.99Regular price -
Pentair Pentek ECP5-BB Big Blue Sediment Water Filter, 10-Inch, Whole House Heavy Duty Pleated Cellulose Polyester Replacement Cartridge, 10" x 4.5", White End-Cap, 5 Micron
Regular price $21.59Regular price -
Pentair Pentek EP-BB Big Blue Carbon Water Filter, 10-Inch, Whole House Carbon Block Replacement Cartridge with Bonded Powdered Activated Carbon (PAC) Filter, 10" x 4.5", 5 Micron, Pack of 4
Regular price $248.42Regular price -
Pentair Pentek EP-20 Carbon Water Filter, 20-Inch, Whole House Carbon Block Replacement Cartridge with Bonded Powdered Activated Carbon (PAC) Filter, 20" x 2.5", 5 Micron
Regular price $45.08Regular price -
Pentair Pentek EP-BB Big Blue Carbon Water Filter, 10-Inch, Whole House Carbon Block Replacement Cartridge with Bonded Powdered Activated Carbon (PAC) Filter, 10" x 4.5", 5 Micron
Regular price $55.33Regular price -
Pentair Pentek EP-10 Carbon Water Filter, 10-Inch, Under Sink Carbon Block Replacement Cartridge with Bonded Powdered Activated Carbon (PAC) Filter, 10" x 2.5", 5 Micron
Regular price $28.21Regular price -
Pentair Pentek EP-20BB Big Blue Carbon Water Filter, 20-Inch, Whole House Carbon Block Replacement Cartridge with Bonded Powdered Activated Carbon (PAC) Filter, 20" x 4.5", 5
Regular price $115.95Regular price -
Pentair Pentek EP-20BB Big Blue Carbon Water Filter, 20-Inch, Whole House Carbon Block Replacement Cartridge with Bonded Powdered Activated Carbon (PAC) Filter, 20" x 4.5", 5 Micron, Pack of 4
Regular price $318.09Regular price -
Pentair Pentek NCP-BB Big Blue Carbon Water Filter, 10-Inch, Whole House Non-Cellulose Carbon Impregnated Pleated Filter Cartridge, 10" x 4.5", 10 Micron
Regular price $34.30Regular price -
Pentair Pentek NCP-20BB Big Blue Carbon Water Filter, 20-Inch, Whole House Non-Cellulose Carbon Impregnated Pleated Filter Cartridge, 20" x 4.5", 10 Micron, Pack of 2
Regular price $172.09Regular price -
Pentair Pentek NCP-20 Carbon Water Filter, 20-Inch, Whole House Non-Cellulose Carbon Impregnated Pleated Filter Cartridge, 20" x 2.5", 10 Micron
Regular price $44.60Regular price
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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...
