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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Crystal Quest Pleated Cellulose Sediment Cartridge - 2-7/8” x 20” - 5 Micron Filtration - Durable & Long-Lasting - High Dirt-Holding Capacity - Fits Residential & Commercial Systems
Regular price $50.40Regular price -
SMART Replacement Filter | 4-5/8" x 9-3/4" SMART Ultimate Cartridge | CQE-RC-04029 | Crystal Quest
Regular price $382.40Regular price -
Crystal Quest Calcite & Coconut Shell GAC Water Filter Cartridge – pH Balancing, Dual-Stage Filtration, Removes Impurities, Enhances Taste – Fits Countertop & Inline Systems 4-5/8” x 20”
Regular price $230.40Regular price -
15 Stage Universal Shower Filter | Hard Water Treatment, Removes Chlorine, Heavy Metals & Sediment, Vitamin C & Alkaline PH Balls | Includes 1 Replaceable Cartridge (1)
Regular price $31.92Regular price -
Crystal Quest Phosphate & Coconut Shell GAC Filter Cartridge – Reduces Scale, Chlorine & Chloramine – Enhances Water Quality – Long-Lasting, High-Performance Filtration for Home & Commercial Use
Regular price $92.80Regular price -
Crystal Quest Phosphate & Coconut Shell GAC Filter Cartridge – Reduces Scale, Chlorine & Chloramine – Enhances Water Quality – Long-Lasting, High-Performance Filtration for Home & Commercial Use
Regular price $83.20Regular price -
Crystal Quest SMART Replacement Filter | 2-7/8" x 20" Cartridge | 80,000 Gallons Capacity | Advanced Multistage Filtration
Regular price $252.80Regular price -
Crystal Quest Calcite & Coconut Shell GAC Water Filter Cartridge – pH Balancing, Dual-Stage Filtration, Removes Impurities, Enhances Taste 4-5/8” x 9-3/4”
Regular price $150.40Regular price -
Shower Filter Replacement Cartridge for SonTiy Filtered Shoser Head, Reduces Chemicals & Chlorine, High Output Multi Stage Revitalizing Shower Filter for Hard Water, White
Regular price $27.12Regular price -
Crystal Quest Alkalizer, Ionizer, Mineralizer & Oxidation Cartridge – Boosts pH & Alkalinity, Reduces Acidity & ORP, Enhances Taste with Essential Minerals, Long-Lasting Performance, Easy Installation
Regular price $94.40Regular price -
Hardless NG4 Whole House Water Filter with Extra NG4 Replacement Cartridge - Salt-Free Water Softener Alternative, 3/4" Inlet/Outlet, Compact, Easy to Install, Designed for Areas w/Hard Water
Regular price $679.78Regular price -
Crystal Quest SMART + Calcium GAC Fluoride Reduction Water Filter Cartridge - 1 Micron - Coconut Shell GAC - Eagle Redox Alloy - Reduces Fluoride & Contaminants - 4-5/8” x 9-3/4”
Regular price $281.60Regular price -
Crystal Quest Pleated Cellulose Sediment Cartridge - 2-7/8” x 9-3/4” - 5 Micron Filtration - Durable & Long-Lasting - High Dirt-Holding Capacity - Fits Residential & Commercial Systems
Regular price $36.72Regular price -
10PCS Vitamin C Shower Filter for Hard Water Filter Aromatherapy Replacement Cartridge Bathtub Faucet Bathroom Accessories Remove Chlorine Fluoride Heavy Metals Lemon Bluebell
Regular price $79.04Regular price -
10PCS Vitamin C Shower Filter for Hard Water Filter Aromatherapy Replacement Cartridge Bathtub Faucet Bathroom Accessories Remove Chlorine Fluoride Heavy Metals Jasmine White Tea
Regular price $78.40Regular price -
Salt Water chlorination System Cartridge Replacement for Spas & Hot Tubs/Hot Spring Highlife/Limelight,Chlorine-Generating Filter for Gentle,Soft Fresh Water to Helps Combat Dry Eyes&Itchy Skin, 3Pack
Regular price $374.38Regular price -
Crystal Quest Aluminum Oxide Fluoride Reduction Filter Cartridge, 2-7/8” x 20, Advanced Media, 2.5 GPM Flow Rate, Reduces Fluoride Up to 9,000 ppm, Long-Lasting, Easy Installation & Maintenance
Regular price $268.80Regular price -
Salt System Cartridge Replacement Compatible with 2019+ Hot Spring Highlife & Limelight and Caldera Utopia & Paradise Spas, Supports Balanced, Skin-Friendly Water (3 Pack)
Regular price $223.98Regular price -
Crystal Quest Calcite & Coconut Shell GAC Water Filter Cartridge – pH Balancing, Dual-Stage Filtration, Removes Impurities, Enhances Taste – Fits Countertop & Inline Systems 2-7/8" x 9-3/4"
Regular price $62.40Regular price -
Crystal Quest Demineralizer Filter Cartridge - 4-5/8" x 20" - Heavy-Duty, Ideal for Lab, Research and Medical Applications for Ultra Pure Water Needs
Regular price $302.40Regular price -
Crystal Quest 5-Micron Carbon Block Filter Cartridge - 2-7/8" x 9-3/4" - Coconut-Based Activated Carbon - Reduces Sediment and VOC’s - Sustainable Filtration
Regular price $36.72Regular price -
Eaglesorb ES3 Anti-Scale Water Filter Cartridge | 2-7/8” x 20” | Crystal Quest
Regular price $204.80Regular price -
SMART Replacement Filter | 2-7/8" x 20" SMART Ultimate Cartridge | CQE-RC-04082 | Crystal Quest
Regular price $380.80Regular price -
Crystal Quest Smart + Calcium GAC Fluoride Reduction Water Filter Cartridge - 1 Micron - Coconut Shell GAC - Eagle Redox Alloy - Reduces Fluoride & Contaminants - 4-5/8" x 20"
Regular price $319.98Regular price -
AquaHomeGroup Handheld Shower Head with Filter - 20 Stage Filtration Shower Filter for Hard Water - Vitamin C E and A and 4x filter cartridge bundle
Regular price $132.05Regular price -
for Hot springgs Spa Salt System Cartridge Replacement for Spas | Saltwater Sanitizer Cartridge for Hot Tubs & Fresh wwater Systems | Compatible with Spring and Cald [1 PCS]
Regular price $110.38Regular price -
3 Pack Vitamin C Shower Head Filter for Hard Water Filter Bathtub Shower Aromatherapy Replacement Cartridge Bathroom Accessories Remove Chlorine Fluoride Heavy Metals Lavender Jasmine Ocean
Regular price $31.34Regular price -
Crystal Quest Aluminum Oxide Fluoride Reduction Filter Cartridge, 2-7/8” x 9-3/4, Advanced Media, 0.5 GPM Flow Rate, Reduces Fluoride Up to 4,500 ppm, Long-Lasting, Easy Installation & Maintenance
Regular price $110.40Regular price -
Salt System Cartridge Compatible with Hot Spring Highlife & Limelight, Caldera Utopia & Paradise Spas - Replacement Salt Water Sanitizer Cartridge for Spa & Hot Tub, Each Lasts Up to 4 Months (3 Pack)
Regular price $239.60Regular price -
Salt System Cartridge, Water Treatment Salt System Cartridge for Hot Springs and Caldera Series Hot Tubs & Spas, Soft Fresh Water Lasts for 6 Months (1 Pack)
Regular price $75.12Regular price -
Crystal Quest SMART Replacement Filter | 2-7/8" x 9-3/4" Cartridge | 10,000 Gallons Capacity | Advanced Multistage Filtration
Regular price $94.40Regular price -
Salt Water Chlorination System Cartridge Replacement for Spas & Hot Tubs – Compatible with Hot Spring Highlife, Limelight, Hot Spot, Caldera Utopia, Paradise, Vacanza –1‑Pack
Regular price $79.98Regular price -
Hot Springs Salt Cartridge Replacement for Spas & Hot Tubs, Salt Cartridge for Hot Springs Spa, Chlorine-Generating Filter Compatible with Highlife & Limelight, Soft Water Gentle on Skin (3 Pack)
Regular price $233.58Regular price -
Crystal Quest Alkalizer, Ionizer, Mineralizer & Oxidation Cartridge – Boosts pH & Alkalinity, Enhances Taste with Essential Minerals, Long-Lasting Performance, Easy Installation 2-7/8” x 20”
Regular price $252.80Regular price -
Crystal Quest Nitrate Reduction Water Filter Cartridge – High Capacity, Specialized Resin, Easy Installation, Reliable Performance 2-7/8" x 9-3/4"
Regular price $94.40Regular price -
Salt Water System Replacement Cartridge for Hot Spring Spas – High-Performance Chlorine Generator for Crystal Clear, Soothing Water Black,3 Pack | Titanium Chlorine, Less Scale & Irritation, for Hot Springs Highlife/Limelight, Caldera Utopia/Paradise, ...
Regular price $215.98Regular price
![for Hot springgs Spa Salt System Cartridge Replacement for Spas | Saltwater Sanitizer Cartridge for Hot Tubs & Fresh wwater Systems | Compatible with Spring and Cald [1 PCS]](http://aquashieldpro.us/cdn/shop/files/61B3sp3_HpL._AC_SX679.jpg?v=1784916081&width=533)
![for Hot springgs Spa Salt System Cartridge Replacement for Spas | Saltwater Sanitizer Cartridge for Hot Tubs & Fresh wwater Systems | Compatible with Spring and Cald [1 PCS]](http://aquashieldpro.us/cdn/shop/files/71Ew-t1f45L._AC_SX679.jpg?v=1784916081&width=533)
30-Day Easy Returns
Easy returns within 30 days.
Flexible payment
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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Choosing the right water softener size starts with your household water usage and water hardness. Learn how grain capacity works, calculate your daily softening needs, and determine whether a 32,000,...
What Size Water Softener Do I Need? How to Choo...
Choosing the right water softener size starts with your household water usage and water hardness. Learn how grain capacity works, calculate your daily softening needs, and determine whether a 32,000,...
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Best Water Filters for PFAS: How to Reduce Fore...
Concerned about PFAS in your drinking water? Learn how PFAS filtration works, which technologies can help reduce forever chemicals, and what certifications and performance factors to check before choosing a...
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Concerned about PFAS in your drinking water? Learn how PFAS filtration works, which technologies can help reduce forever chemicals, and what certifications and performance factors to check before choosing a...
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How to Choose the Best BBQ Wood Chips for Incre...
Choosing the right BBQ wood chips can completely change the flavor of smoked meat. Learn how different woods pair with beef, pork, chicken, seafood, and vegetables, how much smoke to...
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Choosing the right BBQ wood chips can completely change the flavor of smoked meat. Learn how different woods pair with beef, pork, chicken, seafood, and vegetables, how much smoke to...
