Collection: RO Replacement Filters
Reverse Osmosis Replacement Filters for Clean and Efficient Water Filtration
RO Replacement Filters are essential for maintaining the performance and purity of your reverse osmosis water filtration system.
Regular filter replacement ensures effective removal of chlorine, heavy metals, sediment, and dissolved solids while keeping your drinking water clean and fresh.
Our collection includes high-performance reverse osmosis replacement filters, RO membrane replacements, and multi-stage RO filter cartridges designed for long-lasting filtration efficiency.
Maintain your system performance with reliable reverse osmosis replacement filters designed for safe and consistent drinking water filtration.
Better Water for Everyday Life
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Aquaboon 1 Micron 20 x 4.5 Sediment Water Filter Replacement Cartridge | Whole House Sediment Filtration | Compatible with AP810-2, SDC-45-2005, FPMB5-20, P5-20, FP25B, 155358-43, 2 Pack
Regular price $64.11Regular price -
Aquaboon 1 Micron 20 x 4.5 Sediment Water Filter Replacement Cartridge | Whole House Sediment Filtration | Compatible with AP810-2, SDC-45-2005, FPMB5-20, P5-20, FP25B, 155358-43, 4 Pack
Regular price $114.51Regular 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 -
Waterdrop AP431 Replacement Cartridge for Aqua-Pure AP431 Hot Water Scale Inhibitor for AP430SS, Prevent Scale Accumulation and Protect Water Heaters, Pack of 1
Regular price $31.49Regular 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 -
10" Standard Whole House Whole House Anti Scale Filter Set - 10" x 2.5" Polypropylene Sediment, Phosphate Anti-Scale, CTO Carbon Block Water Filter pack, Total of 3 Filters
Regular price $100.80Regular 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 -
iSpring F2WGB21BKS Whole House 4.5"x10" Water Filtration CTO Carbon Block and GAC+KDF Water Filter Replacement Cartridge Pack Set for WGB21B-KS
Regular price $96.11Regular 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 -
iSpring F2WGB21BPFKS 2-Stage Whole House Water Filter Replacement Set, Compact 10” x 4.5” Filters for PFAS, Heavy Metals, Chlorine & Odor Reduction, SGS-Tested Media, Fits Standard Home Systems
Regular price $228.09Regular price -
AO Smith 4.5"x10" 20 Micron Sediment Water Filter Replacement Cartridge - For Whole House Filtration Systems - AO-WH-PREL-RP
Regular price $32.19Regular price -
iSpring F2WGB21BPF 2-Stage Whole House Water Filter Replacement Set for WGB21B-PF，Reduces up to 99% PFAS (PFOA/PFOS), 10” x 4.5” Filters, 1" Inlet/Outlet
Regular price $197.39Regular price -
iSpring F2WGB21BPB Whole House 4.5"x10" Water Filtration CTO Carbon Block and Lead Reducing Water Filter Replacement Cartridge Pack Set
Regular price $170.79Regular price -
AQUACREST AP431 Replacement Cartridge for Aqua-Pure AP430SS, Whole House Water Scale Inhibition System, Helps Prevent Scale Build Up On Hot Water Heaters and Boilers, Pack of 3
Regular price $72.79Regular price -
iSpring F2WGB21BDS Whole House 4.5"x10" Water Filtration CTO Carbon Block and Anti-Scale Polyfilter Water Filter Replacement Cartridge Pack Set for WGB21B-DS
Regular price $299.88Regular 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 -
iSpring F2WGB21BM Whole House 4.5"x10" Water Filtration CTO Carbon Block and Iron and Manganese Reducing Water Filter Replacement Cartridge Pack Set
Regular price $107.31Regular price -
Aquaboon 5 Micron 20 x 4.5 Whole House Water Filter Replacement Cartridge Set: CTO, KDF, Sediment for 3-Stage Water Filtration System 1 Pack
Regular price $251.71Regular 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", Pack of 8, Gray
Regular price $274.40Regular price -
Aquaboon 5 Micron 20 x 4.5 Whole House Water Filter Replacement Cartridge Set: Anti-Scale, KDF, CTO for 3-Stage Water Filtration System 1 Pack
Regular price $279.71Regular 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, Pack of 2
Regular price $68.60Regular price -
ICEPURE 5 Micron 10" x 4.5" Whole House Water Filter Compatible with GE FXHTC, GXWH40L, RFC-BBSA, W50PEHD, GXWH35F, GNWH38S, Dupont WFHD13001, R50-BB, Pack of 3
Regular price $53.54Regular price -
Aquaboon 5 Micron 20 x 4.5 Whole House Water Filter Replacement Cartridge Set: Sediment, GAC & Carbon Filters for 3-Stage Water Filtration System 1 Pack
Regular price $153.71Regular 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
Regular price $86.04Regular price -
Express Water – 10 Pack Sediment Replacement Filter – Whole House Replacement Water Filter – SED High Capacity Water Filter – 5 Micron Water Filter – 4.5” x 20” inch
Regular price $184.79Regular price -
Pentair Pentek NCP-10 Carbon Water Filter, 10-Inch, Under Sink Non-Cellulose Carbon Impregnated Pleated Filter Cartridge, 10" x 2.5", 10 Micron
Regular price $20.20Regular price -
Aquaboon 5 Micron 20 x 4.5 Whole House Water Filter Replacement Cartridge Set: Sediment, Anti-Scale, Carbon for 3-Stage Water Filtration System 2 Pack
Regular price $349.71Regular price -
GE FXUSC Whole House Water Filter | Replacement for Water Filtration System | NSF Certified: Reduces Sediment, Rust & Other Impurities from Water | Replace Every 3 Months for Best Results | 2 Filters
Regular price $30.63Regular 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 6, Gray
Regular price $385.00Regular price -
Aquaboon 5 Micron 20 x 4.5 Whole House Water Filter Replacement Cartridge Set: Anti-Scale, KDF, CTO for 3-Stage Water Filtration System 2 Pack
Regular price $475.71Regular price -
GE FXWSC Whole House Water Filter, Replacement for Water Filtration System, NSF Certified: Reduces Sediment, Rust & Other Impurities, Replace Every 3 Months for Best Results, (Pack of 12)
Regular price $79.38Regular price -
Waterdrop Whole House CTO Carbon Sediment Water Filter Cartridge Replacement for GE® FXHTC, GXWH40L, W10-PR, Culligan® RFC-BBSA,10"X4.5", 5 Micron, 3Pack
Regular price $69.99Regular price -
Aquaboon 5 Micron 20 x 4.5 Whole House Water Filter Replacement Cartridge Set: CTO, KDF, Sediment for 3-Stage Water Filtration System 2 Pack
Regular price $419.71Regular price
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+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...
