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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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 -
iSpring F4WGB21B Whole House Water Filtration High Capacity Sediment and CTO Carbon Block Water Filter Replacement Cartridge Pack Set for WGB21B, 4.5"x10"
Regular price $114.84Regular 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 (2pk)
Regular price $79.79Regular price -
Express Water Whole House Sediment Water Filter – Spin Down Home Water Filtration System – 50 Micron Reusable Sediment Filter Cartridge – 1” and 3/4" Compatible with Filter, Mounting Bracket, Adapters
Regular price $70.00Regular price -
Tier1 1 Micron 20 Inch x 4.5 Inch | 2-Pack Pleated Polyester Whole House Sediment Water Filter Replacement Cartridge | Compatible with Pentek 255493-43, SPF-45-2001, FM-BB-20-1, Home Water Filter
Regular price $90.99Regular 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,4Pack
Regular price $79.79Regular 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 (4-Pack)
Regular price $122.77Regular 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 -
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
Regular price $46.61Regular 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 -
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 (6pk)
Regular price $160.99Regular price -
PUREPLUS 10"×4.5" String Wound Sediment Filter Compound With Iron Reducing Filter, Compatible With Whole House Water Filtration System For Well Water, 2 Pack
Regular price $95.75Regular 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 (12-Pack)
Regular price $251.99Regular price -
PUREPLUS 10"×4.5" String Wound Sediment Filter Compound With Iron Reducing Filter, Compatible With Whole House Water Filtration System For Well Water, 1Pack
Regular price $51.65Regular price -
ICEPURE 1 Micron 10" x 2.5" Whole House Upgraded Coconut Shell Activated Water Filter Lead Remove Filter Cartridge Replacement for WFPFC8002, SCWH-5, WHCF-WHWC, FXWTC, CTO10-CQB, RO Unit, 4PACK
Regular price $97.99Regular 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 (2pk)
Regular price $73.49Regular price -
ICEPURE 1 Micron 10" x 2.5" Whole House Upgraded Coconut Shell Activated Water Filter Lead Remove Filter Cartridge Replacement for WFPFC8002, SCWH-5, WHCF-WHWC, FXWTC, CTO10-CQB, RO Unit, 3PACK
Regular price $75.59Regular price -
iFilters Whole House Sediment & GAC/KDF Replacement Water Filter Cartridge Set | 100% Compatible with 4.5”x10” Dual systems like MWH-D-WELL & SP30-KDF1-4510
Regular price $111.99Regular price -
ICEPURE 1 Micron 2.5" x 10" Whole House Water Filter Coconut Shell Activated CTO Carbon and KDF Cartridge for Home, Compatible with WFPFC8002, WFPFC9001, FXWTC, SCWH-5, WHEF-WHWC, AMZN-SCWH-5, 4PACK
Regular price $92.39Regular price -
ICEPURE 1 Micron 2.5" x 10" Whole House CTO Carbon Sediment Water Filter Cartridge Compatible with DuPont WFPFC8002, WFPFC9001, SCWH-5, WHCF-WHWC, WHCF-WHWC, FXWTC, CBC-10, RO Unit, Pack of 2
Regular price $30.58Regular price -
ICEPURE 1 Micron 10" x 2.5" Whole House Upgraded Coconut Shell Activated Water Filter Lead Remove Filter Cartridge Replacement for WFPFC8002, SCWH-5, WHCF-WHWC, FXWTC, CTO10-CQB, RO Unit, 2PACK
Regular price $50.39Regular price -
AP431 Replacement Filter Compatible with Aqua-Pure Whole House Scale Inhibition Inline Water System AP430SS - Ap431 Replacement Cartridge Pack of 3
Regular price $55.99Regular price -
ICEPURE 1 Micron 2.5" x 10" Whole House CTO Carbon Sediment Water Filter Cartridge Compatible with DuPont WFPFC8002, WFPFC9001, SCWH-5, WHCF-WHWC, WHCF-WHWC, FXWTC, CBC-10, RO Unit, Pack of 3
Regular price $31.91Regular price -
ICEPURE 1 Micron 2.5" x 10" Whole House CTO Carbon Sediment Water Filter Cartridge Compatible with DuPont WFPFC8002, WFPFC9001, SCWH-5, WHCF-WHWC, WHCF-WHWC, FXWTC, CBC-10, RO Unit, Pack of 4
Regular price $37.79Regular price -
ICEPURE 1 Micron 2.5" x 10" Whole House Water Filter Coconut Shell Activated CTO Carbon and KDF Cartridge for Home, Compatible with WFPFC8002, WFPFC9001, FXWTC, SCWH-5, WHEF-WHWC, AMZN-SCWH-5, 2PACK
Regular price $55.85Regular price -
ICEPURE 1 Micron 2.5" x 10" Whole House Water Filter Coconut Shell Activated CTO Carbon and KDF Cartridge for Home, Compatible with WFPFC8002, WFPFC9001, FXWTC, SCWH-5, WHEF-WHWC, AMZN-SCWH-5, 3PACK
Regular price $69.15Regular price -
Express Water – 2 Pack Sediment Replacement Filter – Whole House Replacement Water Filter – SED High Capacity Water Filter – 5 Micron – 4.5” x 20” inch
Regular price $61.59Regular price -
3M Aqua-Pure AP811 Whole House Replacement Water Filter Drop-in Cartridge for AP800 Series, Large Capacity, For use with AP801 Systems
Regular price $81.34Regular price -
3M Aqua-Pure Whole House Replacement Water Filter Cartridge AP817, for use with AP801 Housing, 25 Micron, Reduces Chlorine, Taste and Odor
Regular price $100.51Regular price -
Waterdrop WD-PFM Whole House Scale Inhibition Inline Water System Replacement Cartridge 40 Micron, 1 Count
Regular price $13.99Regular price -
Aquaboon 1 Micron 20 x 4.5 Sediment Water Filter Replacement Cartridge | Whole House Sediment Filtration | Compatible with AP810-2, AP810-6, SDC-45-2005, FPMB5-20, P5-20, FP25B, 155358-43, 10 Pack
Regular price $201.31Regular 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, 8 Pack
Regular price $178.91Regular price -
Special Filter 10in (SP 510-R) – Scale Prevention Cartridge – Removes Chlorine, Limescale, Odor – pH Balanced, No Sodium, No Phosphates – Coffee, Tea, Drinking Water Filter
Regular price $188.97Regular 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, 6 Pack
Regular price $157.91Regular 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...
