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Pentair Pentek CRFC20-BB Big Blue Carbon Water Filter, 20-Inch, Whole House Chloramine Reduction Carbon Replacement Cartridge, 20" x 4.5", 25 Micron

Pentair Pentek CRFC20-BB Big Blue Carbon Water Filter, 20-Inch, Whole House Chloramine Reduction Carbon Replacement Cartridge, 20" x 4.5", 25 Micron

Quantity
Regular price $420.00
Regular price Sale price $420.00
Sale Sold out
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  • Risk-Free 30-Day Returns
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30-Day Hassle-Free Returns

Not satisfied? Return your order within 30 days for a full refund or exchange — simple and easy.

✔ Easy return process

✔ Fast refunds

✔ No hidden conditions

Fast U.S. Shipping

We ship within the United States only — no international delays.

✔ Processing time: 1–2 business days

✔ Delivery time: 3–7 business days

✔ Real-time tracking available

👉 Track your order anytime from the header via Track Order

About This

  • REDUCES CHLORAMINE AND CHLORINE taste and odor along with sediment down to 25 microns, delivering cleaner, better-tasting water throughout your home
  • ADVANCED GAC MEDIA with spun polypropylene inner wrap and post-filter minimizes carbon fines in filtered water, a common issue with standard granulated carbon canisters
  • HIGH CAPACITY CHLORINE REDUCTION rated for over 200,000 gallons at 4 GPM, with chloramine reduction capacity of 25,000 gallons at 2.5 GPM
  • FITS ALL 20" BIG BLUE FILTER HOUSINGS and can replace any 20" x 4.5" carbon filter cartridge for whole house water filtration applications
  • REPLACE EVERY YEAR or when you notice a decrease in water pressure or a change in water quality; operating temperature range of 40-100 degrees F

Overview

  • Material : Extruded Carbon Block
  • Product Dimensions : 4.5"D x 4.5"W x 20"H
  • Item Weight : 3.45 Pounds
  • External Testing Certification : NSF
  • Product Benefits : Reduces Chlorine
View full details
Is Hard Water or Contaminated WaterDamaging Your Home?
Signs You May Be Experiencing Problems With Your Tap Water
Protect Your Home Appliances
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Softer Skin & Healthier Hair
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Pure, Better-Tasting Drinking Water
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Prevent Costly Hard Water Damage
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Reduce Limescale Buildup
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Clean Water, Whole Home
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Protect Your Home Appliances
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Softer Skin & Healthier Hair
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Pure, Better-Tasting Drinking Water
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Prevent Costly Hard Water Damage
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Reduce Limescale Buildup
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Clean Water, Whole Home
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RO Water Filters Reverse Osmosis Water Filters for Pure Drinking Water
Salt Water Softeners Salt Water Softeners for Powerful Hard Water Treatment
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.

Descaling Solutions Descaling Solutions for Removing Limescale and Mineral Buildup
👉 Enjoy healthier skin and hair with every use.
Water Filter Cleaning Kits

👉 Prevent scale buildup and keep your appliances running efficiently.

Under Sink Water Filters

👉 Softer, brighter clothes that last longer with every wash.

Reverse Osmosis Systems Best Reverse Osmosis Systems for Clean Drinking Water

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.

Impurity Reduction 95%
Chlorine Removal 99%

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.
Easy to install — no plumber required. Our experts are here if you need help.
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