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 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
Regular price $30.23Regular price -
Tier1 50 Micron 20x2.5 Water Filter | Spun Wound Polypropylene Whole House Water Pre-Filter Cartridge | Replacement for Hydronix SDC-25-2050, FPMB50-20 | 2.5 x 20 Sediment Water Filter (2-Pack)
Regular price $28.13Regular 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 (25 Pack)
Regular price $248.35Regular price -
Tier1 50 Micron 20x2.5 Water Filter | Spun Wound Polypropylene Whole House Water Pre-Filter Cartridge | Replacement for Hydronix SDC-25-2050, FPMB50-20 | 2.5 x 20 Sediment Water Filter
Regular price $26.59Regular 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 (3-Pack)
Regular price $50.39Regular 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 (3 Pack)
Regular price $55.57Regular 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 (4 Pack)
Regular price $70.41Regular 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 (6-Pack)
Regular price $69.99Regular price -
Tier1 5 Micron 10 x 4.5 Water Filter | Spun Wound Polypropylene Whole House Water Filter Cartridge | Replacement for Pentek DGD-5005, WDGD-5005, 155357-43 | 4.5 x 10 Water Filter (16-Pack)
Regular price $182.41Regular price -
Tier1 10 Micron 10 x 4.5 Water Filter | Spun Wound Polypropylene Whole House Sediment Water Filter Cartridge | Replacement for Hydronix SDC-45-1010, SDF-45-1010 | 4.5 x 10 Water Filter
Regular price $19.59Regular price -
Tier1 20 Micron 10 x 4.5 Water Filter | Spun Wound Polypropylene Whole House Sediment Water Filter Cartridge | Replacement for SDC-45-1020, FPMB-BB20-10, P20-10BB | 4.5 x 10 Water Filter (6-Pack)
Regular price $65.37Regular price -
Tier1 5 Micron 10 x 4.5 Water Filter | Spun Wound Polypropylene Whole House Water Filter Cartridge | Replacement for Pentek DGD-5005, WDGD-5005, 155357-43 | 4.5 x 10 Water Filter (6-Pack)
Regular price $92.53Regular price -
Tier1 10 Micron 10 x 4.5 Water Filter | Spun Wound Polypropylene Whole House Sediment Water Filter Cartridge | Replacement for Hydronix SDC-45-1010, SDF-45-1010 | 4.5 x 10 Water Filter (6-Pack)
Regular price $64.39Regular price -
Tier1 5 Micron 10 x 4.5 Water Filter | Spun Wound Polypropylene Whole House Water Filter Cartridge | Replacement for Pentek DGD-5005, WDGD-5005, 155357-43 | 4.5 x 10 Water Filter (12-Pack)
Regular price $146.71Regular price -
Tier1 10 Micron 10 x 4.5 Water Filter | Spun Wound Polypropylene Whole House Sediment Water Filter Cartridge | Replacement for Hydronix SDC-45-1010, SDF-45-1010 | 4.5 x 10 Water Filter (12-Pack)
Regular price $114.79Regular price -
Tier1 20 Micron 10 x 4.5 Water Filter | Spun Wound Polypropylene Whole House Sediment Water Filter Cartridge | Replacement for SDC-45-1020, FPMB-BB20-10, P20-10BB | 4.5 x 10 Water Filter (12-Pack)
Regular price $114.79Regular price -
Tier1 5 Micron 10 x 4.5 Water Filter | Spun Wound Polypropylene Whole House Water Filter Cartridge | Replacement for Pentek DGD-5005, WDGD-5005, 155357-43 | 4.5 x 10 Water Filter (4-Pack)
Regular price $65.51Regular price -
Tier1 10 Micron 10 x 4.5 Water Filter | Spun Wound Polypropylene Whole House Sediment Water Filter Cartridge | Replacement for Hydronix SDC-45-1010, SDF-45-1010 | 4.5 x 10 Water Filter (4-Pack)
Regular price $58.79Regular price -
Tier1 20 Micron 10 x 4.5 Water Filter | Spun Wound Polypropylene Whole House Sediment Water Filter Cartridge | Replacement for SDC-45-1020, FPMB-BB20-10, P20-10BB | 4.5 x 10 Water Filter
Regular price $19.59Regular price -
Tier1 5 Micron 10 x 4.5 Water Filter | Spun Wound Polypropylene Whole House Water Filter Cartridge | Replacement for Pentek DGD-5005, WDGD-5005, 155357-43 | 4.5 x 10 Water Filter
Regular price $20.01Regular price -
Tier1 10 Micron 10 x 4.5 Water Filter | Spun Wound Polypropylene Whole House Sediment Water Filter Cartridge | Replacement for Hydronix SDC-45-1010, SDF-45-1010 | 4.5 x 10 Water Filter (2-Pack)
Regular price $31.91Regular price -
Tier1 20 Micron 10 x 4.5 Water Filter | Spun Wound Polypropylene Whole House Sediment Water Filter Cartridge | Replacement for SDC-45-1020, FPMB-BB20-10, P20-10BB | 4.5 x 10 Water Filter (4-Pack)
Regular price $59.21Regular price -
Tier1 5 Micron 10 x 4.5 Water Filter | Spun Wound Polypropylene Whole House Water Filter Cartridge | Replacement for Pentek DGD-5005, WDGD-5005, 155357-43 | 4.5 x 10 Water Filter (3-Pack)
Regular price $48.01Regular price -
Whole House 20 Micron 10" x 2.5" String Wound Sediment Well Water Filter Cartridge Replacement for FXWSC, CW-MF, 155187-43, AO-WH-PRE-R2, W30W, RS12, SWC-25-1020, SP-CW20, SF20-978 (Pack of 6)
Regular price $39.19Regular price -
Whole House 10 Micron 10" x 2.5" String Wound Sediment Well Water Filter Cartridge Replacement for CW-F, 155186-43, 3WH-STDSW-F02, SW-25-1010, EPW2S, SP-CW10, WHF-102, WPP-25098-10 (Pack of 6)
Regular price $37.79Regular price -
Waterdrop Whole House Water Filter, Sediment Filter Reduce Lead, Chlorine Filter Cartridge, Replacement for GE® FXHTC, GXWH40L, iSpring, Culligan® RFC-BBSA, Whirlpool®, Any 10" x 4.5" System, 5 Micron
Regular price $97.99Regular price -
Water Softening Filter Cartridge | 10" Standard Universal Size | Ion Exchange Filter Softens Water | Great for Espresso and Washing Machines (1, 10" Standard)
Regular price $33.87Regular price -
Water Softening Filter Cartridge | 4.5" x 20" to fit 20" Housing | Ion Exchange Filter Softens Water | Great for Washing Machines and Appliances (4.5 x 20)
Regular price $87.77Regular price -
Water Softening Filter Cartridge | 20" Standard Universal Size | Ion Exchange Filter Softens Water | Great for Espresso and Washing Machines (20" Standard | 1 Pack)
Regular price $61.59Regular price -
Whole House 20 Micron 10" x 2.5" Pleated Sediment Well Water Filter Cartridge Replacement for W20CLA, S1A, S1, ECP20-10, SPC-25-1020, AO-WH-PRE-RP2, PE-F10-20 & Cold Plunge Water Chiller (Pack of 6)
Regular price $47.59Regular price -
Whole House 5 Micron 10" x 2.5" Pleated Sediment Well Water Filter Cartridge Replacement for ECP5-10, SPC-25-1005, W5CP, FM-5-975, WPC5-975, PWPL10M5, 801-5, SPF-25-1005, PS-27097-05 (Pack of 6)
Regular price $47.59Regular price -
Tetra Whisper Bio-Bag Large Filter Cartridges for Aquariums, 12 Count, Ready to Use, Fits Tetra Whisper Fish Tank Filters 10-30 Gal, 20-40 Gal, PF-20, 30, 40, 60, IQ 20, 30, 45, 60
Regular price $105.42Regular price -
Tetra Whisper Bio-Bag Large Filter Cartridges for Aquariums, 3 Count, Ready to Use, Fits Tetra Whisper Fish Tank Filters 10-30 Gal, 20-40 Gal, PF-20, 30, 40, 60, IQ 20, 30, 45, 60
Regular price $9.06Regular price -
Tetra Whisper Bio-Bag Large Filter Cartridges for Aquariums, 1 Count, Ready to Use, Fits Tetra Whisper Fish Tank Filters 10-30 Gal, 20-40 Gal, PF-20, 30, 40, 60, IQ 20, 30, 45, 60
Regular price $5.24Regular price -
Sprite Slim Line Filter Cartridge (2 pack)
Regular price $46.80Regular price -
Stage Shower Filter Cartridge - Remove Chlorine Heavy Metals and Other Sediments, Reduces Dry Itchy Skin, Dandruff, High Output Hard Water Filter Replacement Cartridge (15 Stage-1)
Regular price $13.99Regular 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...
