Collection: Replacement Filter Cartridges
Replacement Filter Cartridges for Reliable Water Filtration Systems
Replacement Filter Cartridges help maintain the efficiency and performance of your water filtration system.
Over time, filters become saturated with contaminants such as sediment, chlorine, heavy metals, and dissolved impurities. Replacing cartridges regularly ensures your system continues delivering clean, safe drinking water.
Our collection includes high-quality water filter replacement cartridges designed for reverse osmosis systems, under sink filtration units, and whole home water filtration setups.
Keep your system performing at its best with durable replacement filter cartridges engineered for consistent water purification.
Better Water for Everyday Life
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Tier1 5 Micron 10 x 4.5 Water Filter | Pleated Polyester Whole House Sediment Filter Cartridge | Replacement for Pentek CP5-BB, Culligan CP5-BBS-D, CP5-934, W5CPHD | 4.5 x 10 Water Filter (3-Pack)
Regular price $58.79Regular price -
Tier1 50 Micron 10 x 4.5 Water Filter | Pleated Polyester Whole House Sediment Filter Cartridge | Replacement for Pentek R50-BB, 155053-43, SPC-45-1050 | High Flow 4.5 x 10 Water Pre-Filter (4-Pack)
Regular price $67.19Regular price -
Tier1 5 Micron 10 x 4.5 Water Filter | Pleated Polyester Whole House Sediment Filter Cartridge | Replacement for Pentek CP5-BB, Culligan CP5-BBS-D, CP5-934, W5CPHD | 4.5 x 10 Water Filter (2-Pack)
Regular price $42.97Regular price -
Tier1 5 Micron 10 x 4.5 Water Filter | Pleated Polyester Whole House Sediment Filter Cartridge | Replacement for Pentek CP5-BB, Culligan CP5-BBS-D, CP5-934, W5CPHD | 4.5 x 10 Water Filter (4-Pack)
Regular price $76.99Regular price -
Tier1 50 Micron 10 x 4.5 Water Filter | Pleated Polyester Whole House Sediment Filter Cartridge | Replacement for Pentek R50-BB, 155053-43, SPC-45-1050 | High Flow 4.5 x 10 Water Pre-Filter (2-Pack)
Regular price $43.39Regular price -
ICEPURE 5 Micron 10" x 2.5" Whole House String Wound Sediment Water Filter Cartridge for Well Water, Replacement for Aqua-Pure AP110, WP-5, CFS110, Culligan P5, WFPFC4002, CW-MF, 2 PACK
Regular price $25.19Regular price -
American Plumber W30W Whole House Sediment Filter Cartridge (2-Pack)
Regular price $30.79Regular price -
Airthereal ALK Replacement Filter for Pristine Pro6H Countertop Reverse Osmosis Water Filter System, Alkaline Mineralization Filter Cartridge - pH Balance and Restore Minerals, 1-Pack
Regular price $39.19Regular price -
CT100-RO Replacement Filter | 𝐑𝐞𝐯𝐞𝐫𝐬𝐞 𝐎𝐬𝐦𝐨𝐬𝐢𝐬 RO Filter Cartridge for CT910/C5/CT910G Series | 100GPD 12-24 Months | NSF/ANSI372,42,58, Reduce TDS PFAS (CT100-RO)
Regular price $97.99Regular price -
CT100-ALK Replacement Filter | 𝐀𝐥𝐤𝐚𝐥𝐢𝐧𝐞 pH+ RO Filter Cartridge for CT910/C5/CT910G Series | 100GPD 12-24 Months | NSF/ANSI372,42,58 Standards, Reduce TDS PFAS (CT100-ALK)
Regular price $111.99Regular price -
Hydronix HX-SWC-45-1020/3 Universal Whole House Sediment String Wound Water Filter Cartridge 4.5 inch x 10 inch - 20 micron - 3 Pack, White
Regular price $50.39Regular price -
Watts MAXVOC-975RV 0.5 Micron Filter Cartridge
Regular price $50.33Regular 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 -
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 -
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 -
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 -
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 -
Advanced High Intensity Super Compact Universal Shower Filter with Replaceable Enriched KDF Shower Filter Cartridge by Hotel Spa AquaCare. Use with Any Shower Head, Handshower Or 3-Way Shower Combo
Regular price $25.89Regular 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 -
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 -
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 -
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 -
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 -
Geekpure 10 Inch Reverse Osmosis RO Replacement Filter Cartridges Kit-2.5"X10" (1)
Regular price $39.19Regular price -
PUREPLUS 1 Micron 10" x 2.5" Whole House Sediment Home Water Filter Cartridge Replacement for Any 10 inch RO Unit, Culligan P5, Aqua-Pure AP110, Dupont WFPFC5002, CFS10, WHKF-G05, 4Pack
Regular price $39.19Regular price -
PUREPLUS 10 Micron 10" x 2.5" Whole House Sediment Home Water Filter Cartridge Replacement for Any 10 inch RO Unit, Culligan P5, Aqua-Pure AP110, Dupont WFPFC5002, CFS10, WHKF-G05, 4Pack
Regular price $34.99Regular price -
PUREPLUS 10 Micron 10" x 2.5" Whole House Sediment Home Water Filter Cartridge Replacement for Any 10 inch RO Unit, Culligan P5, Aqua-Pure AP110, Dupont WFPFC5002, CFS10, WHKF-G05, 6Pack
Regular price $51.79Regular price -
Aquaboon 5 Micron 20 x 4.5 Whole House Pleated Water Sediment Filter Replacement Water Filter Cartridge Compatible with ECP5-20BB, SPC-45-2005, 10-Pack
Regular price $265.71Regular price -
AprilAire HYDROL HydroCore One-Piece Replacement Water Panel Filter Cartridge for 620 and 720 Series Whole-House Humidifiers (Pack of 1)
Regular price $39.19Regular price -
Culligan Level 2 Sediment Replacement Filter Cartridge For Whole House 16000 gal (8 COUNT/PACK OF 2)
Regular price $52.46Regular price -
PUREPLUS 1 Micron 10" x 2.5" Whole House Sediment Home Water Filter Cartridge Replacement for Any 10 inch RO Unit, Culligan P5, Aqua-Pure AP110, Dupont WFPFC5002, CFS10, WHKF-G05, 6Pack
Regular price $55.99Regular price -
ICEPURE 1 Micron 20" x 4.5" Whole House Sediment Filter Cartridge 20 inch Water Filter Replacement Compatible with DGD-5005-20, FP25B, AP810-2, FPMB5-20, AP810-2, SDC-45-2005, P5-20BB 2Pack
Regular price $53.19Regular 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...
