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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Waterdrop Whole House Water Filter, Sediment Filter Reduce Heavy Metal Filter Cartridge, Replacement for GE® FXHTC, GXWH40L, iSpring, Culligan® RFC-BBSA, Whirlpool®, Any 10" x 4.5" System, 5 Micron
Regular price $57.39Regular price -
Waterdrop RF15 Replacement Filter Cartridge For 15UA/15UB/15UC Under Sink Water Filter, Reduces PFOA/PFOS, PFAS, Lead, Chlorine, Bad Taste & Odor, NSF/ANSI 42 Certified, 19K Gallons High Capacity
Regular price $47.87Regular price -
Waterdrop RF15-PF Replacement Filter Cartridge for 15UA-PF Under Sink Water Filter, Reduces 𝐏𝐅𝐀𝐒, 𝐏𝐅𝐎𝐀/𝐏𝐅𝐎𝐒, Chlorine, Bad Taste & Odor, 6 Months
Regular price $60.19Regular price -
Waterdrop RF10 Replacement Filter Cartridge for 10UA/10UB Under Sink Water Filter, Reduces PFAS, PFOA/PFOS, Lead, Chlorine, Bad Taste & Odor, NSF/ANSI 42 Certified, 11K Gallons High Capacity, 2 PACK
Regular price $66.49Regular price -
W50PEHD Whole House 50 Micron 10 x 4.5 Pleated Sediment Well Water Filter Cartridge Replacement for R50-BBSA, ECP50-BB, 255492-43, R50-BB, SPC-45-1050, AO-WH-PREL-RPP, FXHSC, W50PEHDA (Pack of 3)
Regular price $51.79Regular price -
Whole House 5 Micron 10 x 4.5 Pleated Sediment Well Water Filter Cartridge Replacement for W5CPHD, CP5-BBS, CP5-BB, ECP5-BB, 255490-43, SPC-45-1005, FM-BB-10-5, SPF-45-1005, PE-F10B-5 (Pack of 3)
Regular price $51.79Regular price -
Whole House 20 Micron 10" x 2.5" Spun Polypropylene Sediment Well Water Filter Cartridge Replacement for FXUSC, P25, PD-25-934, SDC-25-1020, FPMB20-978, PWMB10M20, FP120 & 10-inch RO Unit (Pack of 6)
Regular price $36.39Regular 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 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 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 (3pk)
Regular price $68.59Regular 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 -
Waterdrop Whole House CTO Carbon Sediment Water Filter Cartridge Replacement for GE® FXHTC, GXWH40L, W10-PR, Culligan® RFC-BBSA,10"X4.5", 5 Micron, 1Pack
Regular price $29.39Regular price -
Tier1 50 Micron 20x4.5 Water Filter | Spun Wound Polypropylene Whole House Water Pre-Filter Cartridge | Replacement for Hydronix SDC-45-2050, P50-20BB | 4.5 x 20 Sediment Water Filter (2-Pack)
Regular price $53.19Regular price -
Tier1 20 Micron 20x4.5 Water Filter | Spun Wound Polypropylene Whole House Water Pre-Filter Cartridge | Replacement for Pentek DGD-7525-20,155356-43, P20-20BB | 4.5 x 20 Sediment Water Filter (3-Pack)
Regular price $84.97Regular price -
Tier1 5 Micron 20x4.5 Water Filter | Spun Wound Polypropylene Whole House Sediment Pre-Filter Cartridge | Replacement for Pentek DGD-5005-20, SDC-45-2005 | 4.5 x 20 Water Filter Cartridge (6-Pack)
Regular price $148.39Regular price -
Tier1 20 Micron 20x4.5 Water Filter | Spun Wound Polypropylene Whole House Water Pre-Filter Cartridge | Replacement for Pentek DGD-7525-20,155356-43, P20-20BB | 4.5 x 20 Sediment Water Filter (2-Pack)
Regular price $62.15Regular price -
Tier1 20 Micron 20x4.5 Water Filter | Spun Wound Polypropylene Whole House Water Pre-Filter Cartridge | Replacement for Pentek DGD-7525-20,155356-43, P20-20BB | 4.5 x 20 Sediment Water
Regular price $34.99Regular price -
Tier1 5 Micron 20x4.5 Water Filter | Spun Wound Polypropylene Whole House Sediment Pre-Filter Cartridge | Replacement for Pentek DGD-5005-20, SDC-45-2005 | 4.5 x 20 Water Filter Cartridge (2-Pack)
Regular price $74.19Regular price -
Tier1 10 Micron 20x4.5 Water Filter | Spun Wound Polypropylene Whole House Water Pre-Filter Cartridge | Replacement for Hydronix SDC-45-2010 | 4.5 x 20 Sediment Water Filter (2-Pack)
Regular price $59.77Regular price -
Tier1 10 Micron 20x4.5 Water Filter | Spun Wound Polypropylene Whole House Water Pre-Filter Cartridge | Replacement for Hydronix SDC-45-2010 | 4.5 x 20 Sediment Water Filter (4-Pack)
Regular price $82.59Regular price -
Tier1 20 Micron 20x4.5 Water Filter | Spun Wound Polypropylene Whole House Water Filter Cartridge | Replacement for Pentek DGD-7525-20,155356-43, P20-20BB | 4.5 x 20 Sediment Water Filter (25-Pack)
Regular price $429.65Regular price -
Tier1 5 Micron 20x4.5 Water Filter | Spun Wound Polypropylene Whole House Sediment Pre-Filter Cartridge | Replacement for Pentek DGD-5005-20, SDC-45-2005 | 4.5 x 20 Water Filter Cartridge (25-Pack)
Regular price $460.03Regular price -
Tier1 20 Micron 20x4.5 Water Filter | Spun Wound Polypropylene Whole House Water Filter Cartridge | Replacement for Pentek DGD-7525-20,155356-43, P20-20BB | 4.5 x 20 Sediment Water Filter (12-Pack)
Regular price $220.21Regular price -
Tier1 10 Micron 20x4.5 Water Filter | Spun Wound Polypropylene Whole House Water Pre-Filter Cartridge | Replacement for Hydronix SDC-45-2010 | 4.5 x 20 Sediment Water Filter
Regular price $39.75Regular price -
Tier1 5 Micron 20x4.5 Water Filter | Spun Wound Polypropylene Whole House Sediment Pre-Filter Cartridge | Replacement for Pentek DGD-5005-20, SDC-45-2005 | 4.5 x 20 Water Filter Cartridge (4-Pack)
Regular price $102.19Regular price -
Tier1 20 Micron 20x4.5 Water Filter | Spun Wound Polypropylene Whole House Water Pre-Filter Cartridge | Replacement for Pentek DGD-7525-20,155356-43, P20-20BB | 4.5 x 20 Sediment Water Filter (4-Pack)
Regular price $106.25Regular price -
Tier1 5 Micron 20x4.5 Water Filter | Spun Wound Polypropylene Whole House Sediment Pre-Filter Cartridge | Replacement for Pentek DGD-5005-20, SDC-45-2005 | 4.5 x 20 Water Filter Cartridge (3-Pack)
Regular price $87.49Regular price -
Tier1 20 Micron 20x4.5 Water Filter | Spun Wound Polypropylene Whole House Water Pre-Filter Cartridge | Replacement for Pentek DGD-7525-20,155356-43, P20-20BB | 4.5 x 20 Sediment Water Filter (6-Pack)
Regular price $151.33Regular price -
Tier1 5 Micron 20x4.5 Water Filter | Spun Wound Polypropylene Whole House Sediment Pre-Filter Cartridge | Replacement for Pentek DGD-5005-20, SDC-45-2005 | 4.5 x 20 Water Filter Cartridge
Regular price $38.21Regular price -
Tier1 50 Micron 20x4.5 Water Filter | Spun Wound Polypropylene Whole House Water Pre-Filter Cartridge | Replacement for Hydronix SDC-45-2050, P50-20BB | 4.5 x 20 Sediment Water Filter
Regular price $34.97Regular price -
Upgrade Shower Filter,20-Stage Shower Head Filter with 2 Replaceable Filter Cartridges,High Output Shower Water Filter for Removing Chlorine and fluoride-Oil Rubbed Bronze
Regular price $15.39Regular price -
Upgrade Shower Filter -Shower Head Filter for Hard Water,20-Stage Shower Head Filter with 1 Replaceable Filter Cartridges,High Output Shower Water Filter for Removing Chlorine and fluoride- Grey
Regular price $11.19Regular price -
Tier1 1 Micron 20 x 2.5 Whole House Water Filter | Spun Wound Polypropylene Sediment Depth Filtration | Replacement for Pentek P1-20, SP-P1-20, PX01-20 | 2.5 x 20 Water Filter Cartridge (6 Pack)
Regular price $103.59Regular price -
Tier1 20 Micron 20 x 2.5 Water Filter | Spun Wound Polypropylene Whole House Sediment Water Filter Cartridge | Replacement for Pentek P20-20, Purtrex PX20-20 | 2.5 x 20 Whole House Pre-Filter (2-Pack)
Regular price $36.39Regular 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...
