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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Watts Premier 1-Pack Radial Flow Carbon Block 20-Micron Cartridge, Reduces Chlorine Taste and Odors Up to 50,000 Gallons/189,000 Liters at 3 GPM, Dirt Holding Capacity 2.2 Lbs./1 Kg
Regular price $257.60Regular price -
Watts Premier Cartridge Combo Water Replacement Pack, 1 Radial Flow Carbon Block Cartridge and 1 TAC Cartridge for OneFlow Plus System, OFPSYS, Reduce Chlorine Taste and Odors
Regular price $623.00Regular price -
Waterdrop Whole House Water Filter, Sediment Filter Reduce Heavy Metals, Cartridge Replacement for GE® FXHTC, GXWH40L, iSpring, Culligan® RFC-BBSA, Whirlpool®, Any 10" x 4.5" System, 5 Micron
Regular price $81.19Regular price -
Waterdrop Whole House Water Filter, Carbon Filter Reduce Chlorine,Taste, and Odor Cartridge Replacement for GE GXWH40L, FXHTC, Ispring, Culligan® RFC-BBSA, Whirlpool®, Any 10" x 4.5" System, 5 Micron
Regular price $55.99Regular price -
Waterdrop Whole House Water Filter, Sediment Filter Reduce Lead, Chlorine Filter Cartridge, Replacement for GE® FXHTC, GXWH40L, iSpring, Culligan® RFC-BBSA, Whirlpool®, Any 10" x 4.5" System, 5 Micron
Regular price $97.99Regular price -
Water Softening Filter Cartridge | 10" Standard Universal Size | Ion Exchange Filter Softens Water | Great for Espresso and Washing Machines (1, 10" Standard)
Regular price $33.87Regular price -
Water Softening Filter Cartridge | 4.5" x 20" to fit 20" Housing | Ion Exchange Filter Softens Water | Great for Washing Machines and Appliances (4.5 x 20)
Regular price $87.77Regular price -
Water Softening Filter Cartridge | 20" Standard Universal Size | Ion Exchange Filter Softens Water | Great for Espresso and Washing Machines (20" Standard | 1 Pack)
Regular price $61.59Regular price -
weAQUA NO BS Shower Filter Replacement Cartridge – 99% Removal of Hard Water, Chlorine, Heavy Metals, Fluoride & More – Universal Fit – High Output (4-Pack)
Regular price $55.93Regular price -
Ultima Universal Reverse Osmosis Membrane, Water Filter System Replacement Cartridge for Undercounter and Undersink Filter (50 GPD)
Regular price $43.39Regular price -
Ultimate Spa & Pool Filter Cleaner Spray, Professional Strength Fast Acting No Soak Hot Tub, Cartridge & Sand Filter Cleaning, Removes Body Oils, Sunscreen, Grease & Organic Build-Up. 32 oz.
Regular price $32.17Regular price -
uxcell 12 Pcs Shower Head Filter 2.4 Inch PP Cotton Filter Cartridge Replacement High-Pressure Handheld Fan Shower Jet Sets
Regular price $20.85Regular price -
Universal Shower Filter, High Output with Replaceable 15-Stage Cartridge to Remove Chlorine & Impurities, Improve Water Quality for Skin & Hair Care, Chrome，with Bracket Holder (EY-009S)
Regular price $33.59Regular price -
Universal Shower Filter Replacement Cartridge | Clinically Tested to Remove Chlorine, Heavy Metals & Balance pH | for Healthier Skin, Hair & Nails | Fits Most 15/20-Stage Housings | 2-Pack
Regular price $20.43Regular price -
Tetra Whisper Small Filter Cartridges for Aquariums, 6 Count, Ready to Use, Fits Tetra Whisper Filters for Fish Tanks 1 - 4 Gal
Regular price $14.50Regular price -
Tetra Whisper Small Filter Cartridges for Aquariums, 2 Count, Ready to Use, Fits Tetra Whisper Filters for Fish Tanks 1 - 4 Gal
Regular price $5.28Regular price -
uxcell 12 Pcs Shower Head Filter 2.6 Inch PP Cotton Filter Cartridge Replacement High-Pressure Handheld Fan Shower Jet Sets
Regular price $18.19Regular price -
Tujoe 9 Pcs Alkaline Water Filter Replacement Alkaline Water Pitcher Replacement Cartridge for Healthy Drink, 7 Stage Filtration System to Purify
Regular price $54.59Regular price -
Tujoe 4 Pcs Alkaline Water Filter Replacement Alkaline Water Pitcher Replacement Cartridge for Healthy Drink, 7 Stage Filtration System to Purify
Regular price $30.79Regular price -
Tujoe 2 Pcs Alkaline Water Filter Replacement Alkaline Water Pitcher Replacement Cartridge for Healthy Drink, 7 Stage Filtration System to Purify
Regular price $19.59Regular price -
Universal Shower Filter Replacement Cartridge, 6 Pack 20 Stage Shower Head Filter for Hard Water, Microporous Pressurization High output Water Filter Compatible Similar Design, 10000 Gallons 3 Month
Regular price $37.79Regular price -
Universal Shower Filter Replacement Cartridge, 4 Pack 20 Stage Shower Head Filter for Hard Water, Microporous Pressurization High output Water Filter Compatible Similar Design, 10000 Gallons 3 Month
Regular price $25.26Regular price -
Universal Replacement Shower Filter Cartridge for Hard Water, 15-Stage Filter Cartridge-Reduces Chemicals Chlorine Transform Itching Eczema & Acne into Glowing Hair Nails & Skin Fast
Regular price $12.57Regular price -
Universal Reverse Osmosis RO Replacement Set of 3 filter cartridges : Sediment, GAC, CTO Carbon Block for undersink RO. 3 Pk. Size: 10"x2.5"
Regular price $27.93Regular price -
Ultra Filtration Water Filter Replacement Cartridge, PP/T33/CTO/RFC/UF Filter for Under Sink Water Filters, 5 Stage Filtration System Replacement Filter Reduces 99.99% Cl, Strong Adsorption Capacity
Regular price $95.16Regular price -
Tier1 30 Micron 20x4.5 Water Filter | Whole House Sediment Water Filter | Pleated Polyester Cartridge | Replacement for Pentek R30-20BB, 155430-43, SPC-45-2030 | High-Flow 4.5 x 20 Water Filter (4pk)
Regular price $118.99Regular price -
Tier1 50 Micron 20 x 4.5 Water Filter | Pleated Polyester Whole House Sediment Filter Cartridge | Replacement for Pentek ECP50-BB, 4PAY5, 255496-43 | 4.5 x 20 Water Filter
Regular price $39.47Regular price -
Tier1 30 Micron 20x4.5 Water Filter | Whole House Sediment Water Filter | Pleated Polyester Cartridge | Replacement for Pentek R30-20BB, 155430-43, SPC-45-2030 | High-Flow 4.5 x 20 Water Filter (3pk)
Regular price $95.19Regular price -
Tier1 30 Micron 20x4.5 Water Filter | Whole House Sediment Water Filter | Pleated Polyester Cartridge | Replacement for Pentek R30-20BB, 155430-43, SPC-45-2030 | High-Flow 4.5 x 20 Water Filter
Regular price $51.79Regular price -
Tier1 5 Micron 20x4.5 Water Filter | Pleated Polyester Whole House Sediment Cartridge | Replacement for Pentek ECP5-20BB, 255494-43, 4PAY5 | Fine Sediment Control | 4.5 x 20 Water Filter (6-Pack)
Regular price $152.59Regular price -
Tier1 20 Micron 20x4.5 Water Filter | Whole House Sediment Water Filter | Pleated Polyester Cartridge | Replacement for Pentek ECP20-20BB, Hydronix SPC-45-2020 | High-Flow 4.5 x 20 Water Filter (6pk)
Regular price $163.79Regular price -
Tier1 50 Micron 20 x 4.5 Water Filter | Pleated Polyester Whole House Sediment Filter Cartridge | Replacement for Pentek ECP50-BB, 4PAY5, 255496-43 | High Flow 4.5 x 20 Entry Point Water Filter (2pk)
Regular price $53.47Regular price -
Tier1 20 Micron 20x4.5 Water Filter | Whole House Sediment Water Filter | Pleated Polyester Cartridge | Replacement for Pentek ECP20-20BB, Hydronix SPC-45-2020 | High-Flow 4.5 x 20 Water Filter
Regular price $44.79Regular price -
Tier1 30 Micron 20x4.5 Water Filter | Whole House Sediment Water Filter | Pleated Polyester Cartridge | Replacement for Pentek R30-20BB, 155430-43, SPC-45-2030 | High-Flow 4.5 x 20 Water Filter (12pk)
Regular price $293.99Regular price -
Tier1 5 Micron 20x4.5 Water Filter | Pleated Polyester Whole House Sediment Cartridge | Replacement for Pentek ECP5-20BB, 255494-43, 4PAY5 | Fine Sediment Control | 4.5 x 20 Water Filter (2-Pack)
Regular price $74.19Regular 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...
