300,000+ Happy Customers
Whole House Water Filter Carbon Block 10" Big Blue Cartridge Included
The First Line Of Defense Before Everything Else In Your House. The Whole House Carbon Block Filter (10" Big Blue) takes chlorine, taste, odor, and sediment out of your water before it ever reaches your softener, appliances, or faucets.
FACTORY-DIRECT SAVINGS
In stock. Shipped within 1–3 business days.
EASY INSTALLATION
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DESCRIPTION
Your shower shouldn’t smell like a swimming pool.
The Big Blue Whole House Carbon Filter removes free chlorine and organic chemicals that cause bad taste and odor, so every tap in your house runs cleaner. The 4.5" x 10" carbon block cartridge is included. It also works as a 10-micron sediment filter, catching dirt and particles along the way.
The large Big Blue housing handles high flow rates, so you get filtered water without a weak shower.
Heads up: the housing does not include the pressure release button shown in the photo.
HOW TO USE
Easy install. Easier water.
- Choose your package. Add a mounting bracket, since a full Big Blue housing is heavy.
- Install it on your main water line, close to where water enters your home. Shut-off valves on each side make filter changes simple.
- Lubricate the o-ring with the grease provided, then hand-tighten the housing. Don’t overtighten it.
- Turn the water back on and check for leaks.
- Replace the cartridge when your water’s taste or flow starts to slip.
HOW DOES IT WORK
Carbon grabs the bad stuff. The block catches the rest.
- Absorb: Water passes through the carbon block, which grabs free chlorine and organic chemicals.
- Trap: The dense 10-micron block catches sediment and particles.
- Flow: The big housing keeps water moving at a high flow rate.
Better taste, less odor, and cleaner water at every faucet.
40+ Reviews Worth Actually Reading Before You Install
This is a genuinely well-documented product — reviewers consistently share real install lessons rather than just star ratings. Repeated tips: lubricate the o-ring generously (petroleum jelly works fine as a cheaper substitute for the recommended silicone lubricant) or you'll fight the housing every time you change the filter; use Teflon tape and pipe dope on the threaded fittings, since a bare thread seal alone tends to leak; the mounting holes on top of the housing are not pre-tapped, so plan to tap them yourself or use self-tapping screws; and the unit is genuinely heavy once full, so budget for the separately-sold mounting bracket rather than trying to hang it off the pipes.
Multiple long-term owners report 10-15 years of service from a single housing. Common use cases: a pre-filter ahead of a water softener or RO system, protection for a UV disinfection unit, or the "first line of defense" in a full whole-house setup. One reviewer specifically noted their water quality improved noticeably with just this filter running — before their softener was even connected. A couple of reviewers flagged a persistent seep leak traced to the O-ring or a mismatched relief-valve washer thickness, both resolved by replacement parts.
Long-Lasting Carbon Block, Included
Whole house carbon water filter/purifier includes a long-lasting Carbon Block 4.5" x 10" cartridge. Removes free chlorine and organic chemicals that contribute to taste and odor, while providing the particulate filtration and dirt-holding capacity of an efficient 10-micron nominal sediment filter.
Note: does not come with a PSI release valve, despite what the product photo shows.
- Quality drinking water in your home
- Clean, healthy water "better than bottled" at a fraction the cost
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Enjoy Soft, Clean Water
Experience spa-like water in just moments after installation without worry of hardness or contaminants.
Set it and forget it!
Whole House Water Filter Carbon Block 10" Big Blue Cartridge Included
Whole house carbon water filter/purifier includes a long-lasting carbon block filter.
4.5" X 10" Cartridge
This removes free chlorine and organic chemicals that contribute to taste and odor while providing the particulate filtration and dirt-holding capacity This is an efficient 10-micron nominal sediment filter.
High Flow Rate: The Big Blue Pentek filter is designed to handle high flow rates, making it suitable for applications where large volumes of water need to be filtered. It can efficiently process water at a faster rate compared to standard-sized filters, ensuring a steady supply of filtered water.
Reliable Filtration: With their larger size, Big Blue filters provide a larger surface area for filtration, allowing for efficient removal of sediment, particles, and contaminants from the water supply. This can lead to improved water quality, taste, and clarity.
Note: Does not come with PSI release as photo shows.
Built For High Flow, Built To Last
Whole house carbon water filter/purifier includes a long-lasting carbon block filter — 4.5" x 10" cartridge. Removes free chlorine and organic chemicals that contribute to taste and odor, while delivering the particulate filtration and dirt-holding capacity of an efficient 10-micron nominal sediment filter.
- Quality drinking water in your home
- Easy, standard installation
High Flow Rate: Designed to handle high flow rates, suitable for applications where large volumes of water need filtering — processes water faster than standard-sized filters for a steady supply.
Reliable Filtration: The larger housing size means a larger surface area for filtration, efficiently removing sediment, particles, and contaminants for improved water quality, taste, and clarity.
Sediment Filters Work Hard
Sediment filters are typically the first stage in a water treatment system, designed to capture and remove sand, rust, dirt, metals, silt, and other particles from the water — filtering out particles down to 5 microns. Removing these particulates helps protect a water treatment system like a water softener, whole house filter, and appliances that use water.
- Certified to NSF standard 42, FDA-approved material
- 100% higher-purity polypropylene — surfactant-free, binder-free, adhesive-free
- Higher chemical resistance
- Extends filter life with a much lower pressure drop
Regularly replacing sediment filters is cost-effective and essential to maintaining optimal water quality. Neglecting replacement can reduce filtration efficiency, compromise water purity, decrease flow, and potentially damage the system.
Intelligent Assessment
Everyone's water treatment needs are different. Leverage our Water Intelligence Engine™ to get the best expert recommendations for your unique water-quality needs — we'll also help you discover what's really in your local drinking water and how the top brands stack up.
- Confidently and properly size a water solution to meet your space's specific needs
- Get expert recommendations of various water treatment solutions
- Thoroughly educate yourself on your options
- Compare all major brands via our updated Comparison Chart
- Grade your local water quality via our Water Analysis Report
Unmatched Expertise
At Quality Water Treatment, we treat our customers like family, and we know the products inside and out. Don't waste your time wandering around a big box store hoping to find a true expert. Shop with confidence here instead, and we'll get you the correct equipment for your specific needs, delivered right to your door.
Decades Of Experience
After over 30 years in business, we know water treatment like no one else. Our trained water treatment consultants answer every question, compare all major brands, and never push a sale. Connect via live chat, text, phone, or email.
Affordable Ways To Pay
You deserve quality, clean, soft water starting now. Zip gets you 4 interest-free payments, or pay a small amount each month with Affirm.
Real Experts That You Can Count On
Steer clear of the guessing game. You're investing real money in a solution for your family's water. Unlike the big box stores, our team recommends the best solution actually available in the entire marketplace.
Delivered To Your Door With Ease
All orders ship within 1–3 business days — 100% transparent order status, automatic email alerts, and anytime tracking.
Real Experts. Real Value.
Our mission is to empower people to live healthier, happier lives by providing quality water solutions for their families and businesses. We've delivered best-in-class water treatment solutions and customer service across North America since 1990.
As a family-owned business, our priority is our customers' satisfaction: improved taste, eliminated toxins, extended appliance and fixture life, gentler treatment of clothes/hair/skin, and no more costly plumbing corrosion or staining.
We carry the best brands in the industry in value-added packages, making installation and operation simple and efficient
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5.0 / 5
I just wanted to say thank you for your excellent products and service over the past 12 years.
Daniel R.Verified CustomerTexas
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5.0 / 5
After we installed the Softpro Elite I noticed a significant difference in the house water quality.
Julie M.Verified CustomerFlorida
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5.0 / 5
I decided to go with the Softpro water softener over Fleck. Very impressed and satisfied with their products and customer service!
Roy P.Verified CustomerCalifornia
WHY BUY FROM US
Real Experts. Real Value.
💧 THE #1 WATER EXPERTS
Providing the Best in Class
Water Treatment for Over 30 Years
Our mission is to empower people to live healthier, happier lives by providing quality water solutions for their families and businesses.
Quality Water Treatment has been delivering best-in-class water treatment solutions and customer service to people and businesses across North America since 1990.
We've done it all and seen it all! As a family-owned business, our priority is our customers’ satisfaction. Reliable, economical water treatment can enhance quality of life in several ways:
- Improve taste
- Eliminate toxins
- Extend the life of appliances, pipes and fixtures
- Gentler on clothes, hair and skin
- Prevent costly plumbing corrosion and stains
We carry the best brands in the industry in value-added packages, making installation and operation of your water treatment system simple and efficient.
💧 INDUSTRY INNOVATORS
Intelligent Assessment
Everyone’s water treatment needs are different. With our innovative assessment technology, you can take the guesswork out of your water treatment options.
Leverage our Water Intelligence Engine™ to get the best expert recommendations for your unique water-quality needs. We’ll also help you discover what's really in your local drinking water and how the top brands stack up.
The Water Intelligence Engine™ will:
- Help you confidently and properly size a water softener solution to meet your space’s specific needs.
- Provide expert recommendations of various water treatment solutions.
- Thoroughly educate you on your options.
- Our newly updated Comparison Chart below compares all major brands.
- Our Water Analysis Report grades your local water quality and details any water contaminant findings.
💧 UNMATCHED EXPERTISE
Real Experts You Can Count On
At Quality Water Treatment, we treat our customers like family. And we know the products inside and out.
Don't waste your time wandering around your local big box store trying to find someone to help you.
You'll only find a pushy associate with limited knowledge, simply trying to move product from a limited inventory. Your odds of finding exactly what you need or finding a true expert are pretty low – generic water softeners and water filters at these stores often just don’t cut it.
Shop with confidence at Quality Water Treatment, and we’ll help you get the correct equipment for your specific needs and have it delivered right to your door!
💧 DECADES OF EXPERIENCE
Friendly, Expert Help at Your Fingertips
After over 30 years in business, we know water treatment like no one else! And we want you to leverage our expertise to get the best solutions for your needs and goals.
Our team of highly trained water treatment consultants is here to answer all of your questions.
We compare all major brands and show you all your options with no pushy sales tactics.
Everything you need to make the right decision is at your fingertips. You can also connect with us via live chat, text, phone and email.
💧 FAST SHIPPING
Delivered to Your Door with Ease
All orders ship within 1–3 business days.
With streamlined processes throughout our organization, we rapidly fulfill orders right after they're placed and ship them to your door – FAST!
No waiting. No hassle. We are 100% transparent about the status of your order at each step of the process.
You'll get automatic email alerts and you can check your order status at any time.
"Hands down, SoftPro Elite beats ALL the water softener competitors across the board in terms of next-generation technology, efficiency, warranty, value, and affordability.”
💧 FLEXIBLE PAYMENTS
Affordable Ways to Pay
You deserve quality, clean, soft water, starting now!
We make purchasing the complete solution even easier with our flexible financing options.
Take advantage of Zip and make 4 easy interest-free payments over time. Or, pay a very small amount each month with Affirm.
We make buying simple and easy.
