Collection: Water Filter Replacement Cartridges
Keep Your Water Clean with Reliable Replacement Filters
Our replacement water filters are designed to maintain optimal filtration performance and ensure clean, great-tasting drinking water. These high-quality replacement cartridges help remove contaminants, reduce impurities, and keep your home water filtration system running efficiently.
Find the right water filter replacement for your system and continue enjoying clean, safe water for drinking, cooking, and everyday use.
Better Water for Everyday Life
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Tier1 30 Micron 10 x 4.5 Water Filter | Pleated Polyester Whole House Sediment Cartridge | Replacement for Pentek R30-BB Water Filter, 155101-43, RS6, SPC-45-1030 | 4.5 x 10 High Flow Pre-Filter
Regular price $28.41Regular price -
Tier1 20 Micron 10 x 4.5 Water Filter | Pleated Polyester Whole House Sediment Filter Cartridge | Replacement for Pentek ECP20-BB, Hydronix SPC-45-1020, 255491-43 | 4.5 x 10 Water Pre-Filter
Regular price $30.65Regular 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 (3-Pack)
Regular price $58.79Regular 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 (6-Pack)
Regular price $97.99Regular price -
Black Showerhead Filter for Hard Water - 24 Stage Shower Filter Shower Water Filter with 4 Replaceable Filter Cartridges Protects Your Skin and Hair from Chlorine and Heavy Metals in Water
Regular price $50.39Regular 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
Regular price $29.81Regular price -
Shower Water Filter - 24 Stage Shower Filter Shower Head Filter for Hard Water with 4 Replaceable Filter Cartridges Protects Your Skin and Hair from Chlorine and Heavy Metals in Water, Brushed Nickel
Regular price $50.39Regular price -
Tier1 30 Micron 10 x 4.5 Water Filter | Pleated Polyester Whole House Sediment Cartridge | Replacement for Pentek R30-BB Water Filter, 155101-43, RS6, SPC-45-1030 | 4.5x10 High Flow Pre-Filter (4pk)
Regular price $79.79Regular price -
Shower Head Filter for Hard Water - 24 Stage Shower Filter Shower Water Filter with 4 Replaceable Filter Cartridges Protects Your Skin and Hair from Chlorine and Heavy Metals in Water, Chrome
Regular price $50.39Regular 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
Regular price $32.19Regular price -
Tier1 20 Micron 10 Inch x 4.5 Inch | 4-Pack Pleated Whole House Sediment Water Filter Replacement Cartridge | Compatible with Pentek ECP20-BB, Hydronix SPC-45-1020, 255491-43, Home Water Filter
Regular price $74.19Regular 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 (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 -
Shower Filter 20 Stage Showerhead Filter for Hard Water with 2 Replaceable Cartridges for Removing Chlorine Fluoride, Polished Chrome
Regular price $25.90Regular 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 -
Shower Filter Replacement Cartridge Use Real Filtration Media -High Output Universal Shower Head Filter Reduces Chlorine, Heavy Metals& Fluoride 4Pack (HD-SFR500)
Regular price $32.19Regular 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 -
PP10BB 5 Micron 4.5" x 10" Filter Set – Sediment Replacement Cartridges for Whole House Water Filtration Systems, Universal Standard PP Filters (6, 10 x 4.5)
Regular price $69.99Regular price -
Aquatic Life RO Buddie Reverse Osmosis Replacement Filter Set - Inline Carbon Block Filter, Sediment Cartridge and 100 GPD Membrane for RO/RODI Water Filter System Units
Regular price $75.35Regular price -
PP20BB 5 Micron 2.5" x 20" Filter Set – Sediment Replacement Cartridges for Whole House Water Filtration Systems, Universal Standard PP Filters (6, 20 x 2.5)
Regular price $55.99Regular price -
Hydronix ICF-10Q/3 Inline Post Activated Carbon Water Filter Replacement Cartridge with 1/4-Inch Quick Connect for Refrigerator, Ice Maker, RO Reverse Osmosis System, 2000 Gallons (3 Pack)
Regular price $30.37Regular price -
PP10 5 Micron 2.5" x 10" Filter Set – Sediment Replacement Cartridges for Whole House Water Filtration Systems, Universal Standard PP Filters (6, 10 x 2.5)
Regular price $34.99Regular price -
PP10BB 5 Micron 4.5" x 10" Filter Set – Sediment Replacement Cartridges for Whole House Water Filtration Systems, Universal Standard PP Filters (4, 10 x 4.5)
Regular price $48.99Regular price -
5 Micron Water Filter 10" x 2.5", 10-inch Whole House Sediment Pre-Filters for Well & Municipal water, Replacement Cartridge for FXWPC, EQ-PFC35, ECP5-10, S1, 3WH-STDPL-F02, SPC-25-1005, 6-Pack
Regular price $36.39Regular price -
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 -
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 -
iSpring FSF1 33-Stage Universal Shower Filter Replacement Cartridge, Removes Chlorine, Sediment, Heavy Metal, and Odor, Improves Conditions of Skin, Hair, and Nails, High Output No Clog, White
Regular price $17.95Regular price -
Aquios® OEM RCFS220 Water Softener/Filtration Replacement Cartridge
Regular price $82.57Regular 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...
