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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PP20BB 5 Micron 4.5" x 20" Filter Set – Sediment Replacement Cartridges for Whole House Water Filtration Systems, Universal Standard PP Filters (4, 20 x 4.5)
Regular price $83.99Regular price -
iSpring HC12X2 1/4'' Clear Water Filter Housing for RCC Series Reverse Osmosis System, Pack of 2, (Compatible with iSpring RCC Series Systems with NSF Certified Mark)
Regular price $51.97Regular price -
PP20BB 5 Micron 2.5" x 20" Filter Set – Sediment Replacement Cartridges for Whole House Water Filtration Systems, Universal Standard PP Filters (4, 20 x 2.5)
Regular price $51.79Regular price -
Aquios® OEM RCFS220 Water Softener/Filtration Replacement Cartridge
Regular price $82.57Regular price -
PP20BB 5 Micron 4.5" x 20" Filter Set – Sediment Replacement Cartridges for Whole House Water Filtration Systems, Universal Standard PP Filters (6, 20 x 4.5)
Regular price $88.19Regular price -
20" x 4.5" Heavy Metals Reduction Whole House Water Filter Replacement Set, 3-Stage Heavy Duty System with PP Sediment, Advanced KDF & Standard CTO Carbon Block, Fits All 20" Housings
Regular price $195.99Regular price -
Geekpure 10 Inch Carbon Block Water Filter Reduce Chlorine Taste Odors for Whole House Filtration- 4.5 Inch x 10 Inch -5 Micron-Pack of 4
Regular price $86.44Regular price -
Pentair Pentek EPM-20BB Big Blue Carbon Water Filter, Whole House Modified Epsilon Carbon Block Filter Cartridge with Bonded Powered Activated Carbon (PAC) Filter, 20” x 4.5”, 10 Micron, Pack of 4
Regular price $368.41Regular price -
20" x 4.5" PFAS Reduction Whole House Water Filter Replacement Set, 3-Stage High Capacity System with PP Sediment, CTO & PFAS Reduction Carbon Block, Fits 20-Inch Heavy Duty Housings
Regular price $223.99Regular price -
Tier1 5 Micron 10 x 2.5 Water Filter | Whole House Carbon Block Water Filter Replacement Cartridge | Compatible with Pentek EP-10, 42-34373, 155531-43, CB-25-1005, MAXETW-975 | 2.5 x 10 Water Filter
Regular price $16.79Regular price -
Aquaboon 5 Micron 20 x 4.5 Water Filter Cartridges Set of 2, Whole House Water Filter Replacements for 2-Stage Sediment & Chlorine, Odors Reduction
Regular price $111.71Regular price -
20" x 4.5" Whole House Water Filter Replacement Set, 3-Stage High Flow System with PP Sediment, GAC & CTO Carbon Block, Reduces Chlorine & Odors, Fits All 20" Housings
Regular price $139.99Regular price -
Aquaboon 5 Micron 20 x 4.5 Water Filter Cartridges Set of 4, Whole House Water Filter Replacements for 2-Stage Sediment & Chlorine, Odors Reduction
Regular price $181.71Regular price -
Pureline FXHTC 25 Micron 10" x 4.5" Replacement for GE FXHTC, GXWH40L, Culligan RFC-BBSA, W50PEHD, GXWH40L, GXWH35F, GNWH38S, DuPont WFHD13001, Pentair Pentek R50-BB, NSF 372 and NSF 42 (2 Pack)
Regular price $51.79Regular price -
Hydronix HF5-20BLBK34PR Water Filter Housing 20" RO, Whole House, Hydroponics - 3/4" Ports, Blue Body w/PR
Regular price $66.01Regular price -
Aquaboon 5 Micron 20 x 4.5 Water Filter Cartridges Set of 8, Whole House Water Filter Replacements for 2-Stage Sediment & Chlorine, Odors Reduction
Regular price $279.71Regular price -
PRO+AQUA Whole House Heavy Metals Well Water Filter Replacement Set - 3 Stage, Sediment, KDF/Blend, Carbon Block - 20", 5 Microns
Regular price $170.18Regular price -
ICEPURE 1 Micron 20" x 4.5" Whole House CTO Coconut Shell Activated Carbon Water Filter Cartridge Replacement for FC25B, EPM-20BB, CB-BB-20, DB20P, EP-20BB, CTO-F20B-5, F3WGB32BM, 155783-43, 1 Pack
Regular price $55.99Regular price -
Pleated Sediment Water Filter Cartridge 9.87”x 2.5” Amplified Surface Area, Removes Sand, Dirt, Rust, Extended Filter Life WELL-MATCHED with WHKF-WHPL, 801-50, WB-50W, WFPFC3002, SPC-25-1050 (50 Pack)
Regular price $218.39Regular price -
ICEPURE 2-Stage 20" x 4.5" Whole House Water Filter Combo Set, 20 Inch CTO Carbon Block Cartridge and KDF Heavy Metal Removal Water Filter Replacement for FC25B, CB-BB-20, DB20P, Pack of 1
Regular price $119.69Regular price -
Pleated Sediment Water Filter Cartridge 9.87”x 2.5” Amplified Surface Area, Removes Sand, Dirt, Rust, Extended Filter Life WELL-MATCHED with WHKF-WHPL, 801-50, WB-50W, WFPFC3002, SPC-25-1050
Regular price $12.59Regular price -
ICEPURE 4.5"x 20" Whole House Water Filter High Capacity Combo Set, Carbon Block Cartridge and Upgraded Activated Carbon Lead Removal Filter Replacement for 20 Inch Water Filter System, Pack of 1
Regular price $112.50Regular price -
Pleated Sediment Water Filter Cartridge 9.87”x 2.5” Amplified Surface Area, Removes Sand, Dirt, Rust, Extended Filter Life WELL-MATCHED with WHKF-WHPL, 801-50, WB-50W, WFPFC3002, SPC-25-1050 (6 Pack)
Regular price $39.19Regular price -
ICEPURE 4.5"x 20" Whole House CTO Carbon Water Filter, 20 Inch Water Filtration System Combo Kit with KDF Cartridge and Upgraded Activated Carbon Lead Remove Filter Replacement for Home, Pack of 1
Regular price $153.99Regular price -
Pleated Sediment Water Filter Cartridge 9.87”x 2.5” Amplified Surface Area, Removes Sand, Dirt, Rust, Extended Filter Life WELL-MATCHED with WHKF-WHPL, 801-50, WB-50W, WFPFC3002, SPC-25-1050 (2 Pack)
Regular price $19.59Regular price -
ICEPURE 1 Micron 20" x 4.5" Whole House CTO Coconut Shell Activated Carbon Water Filter Cartridge Replacement for FC25B, EPM-20BB, CB-BB-20, DB20P, EP-20BB, CTO-F20B-5, F3WGB32BM, 155783-43, 2 Pack
Regular price $117.59Regular price -
Pleated Sediment Water Filter Cartridge 9.87”x 2.5” Amplified Surface Area, Removes Sand, Dirt, Rust, Extended Filter Life WELL-MATCHED with WHKF-WHPL, 801-50, WB-50W, WFPFC3002, SPC-25-1050 (4 Pack)
Regular price $26.59Regular price -
Tier1 20 Micron 10 x 4.5 Water Filter | Carbon Block - Upflow Granular Activated Whole House Cartridge | Replacement for Pentek GAC-BB, 155153-43 | 4.5 x 10 Water Filter
Regular price $31.77Regular price -
Pleated Sediment Water Filter Cartridge 9.87”x 2.5” Amplified Surface Area, Removes Sand, Dirt, Rust, Extended Filter Life WELL-MATCHED with WHKF-WHPL, 801-50, WB-50W, WFPFC3002, SPC-25-1050 (25 Pack)
Regular price $125.99Regular price -
Tier1 20 Micron 10 x 4.5 Water Filter | Carbon Block - Upflow Granular Activated Whole House Cartridge | Replacement for Pentek GAC-BB, 155153-43 | 4.5 x 10 Water Filter (2-Pack)
Regular price $54.03Regular price -
Waterdrop Whole House Water Filter, Carbon Filter, Reduce Iron & Manganese Filter Cartridge, Replacement for GE GXWH40L, FXHTC, Ispring, Culligan® RFC-BBSA, Whirlpool®, Any 10" x 4.5" System, 5 Micron
Regular price $100.79Regular price -
Amwater NSF/ANSI 42 Stainless Steel Whole House Water Filter Housing, 10" x 2.5" Sediment Water Filter System for Heavy Duty, Well & City Water, 3/4" NPT Port, Drain Valve Style C(Square Head)
Regular price $152.59Regular price -
Waterdrop G3-2CF Filter, Replacement for Waterdrop G3-W & G3P600 & G3P800 Reverse Osmosis System, Pack of 2 G3-N1CF, 6-month Lifetime
Regular price $83.97Regular price -
AQUA CREST FQROPF, FQSLF Under Sink Water Filter, NSF/ANSI 401 Certified, Replacement for GE FQROPF, FQSLF, Compatible with GE GXSV65R, GQSV65R, PXRQ15F, PNRQ15F, Reduces PFAS, PFOA/PFOS, 2 Pack
Regular price $51.79Regular price
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Easy returns within 30 days.
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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...
