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KX Matrikx 20" Big Blue Carbon Filter #32-450-20-GREEN | Free Ship


20" Big Blue KX Matrikx CTO Carbon Block Filter Part #32-450-20-MATRIKX

This Genuine KX Matrikx CTO high capacity carbon block water filter removes chemicals and odor from your water while improving the taste for your family. Fits all 20" BIG BLUE water filter housings for whole house water filtration. Can be installed either end up which makes it much easier to install for the "Do it Yourselfer". 100% compatible with numerous water filter housings. Filter is 4 1/2" by 20" in size.

✔️REDUCES CHLORINE by 51,000 gallons for long filter life


✔️REVERSIBLE DESIGN for quick and easy installation

✔️️REDUCES SAND, RUST and SEDIMENT with 5 Micron Filtration



✔️100% COCONUT SHELL CARBON quality carbon block filtration

    *Great News!  You can Mix & Match ALL Water Filters & Accessories to take Advantage of our Quantity Breaks Pricing!

    Product Number  SMF 32-450-20-MATRIKX


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    Customer Reviews

    Based on 11 reviews
    Robert H. (Cobble Hill, CA)

    Have not used them yet

    Hi Robert, Thank you for your business!
    We look forward to helping you again soon.
    Take care and stay safe.

    Gary N. (Surrey, CA)
    a 5 micron and a carbon filter

    Found the product shipping fast and the help was very appreciated. The prices are very comparable to other outlets, but the product knowledge was very helpful when choosing the filters needed.

    Dorian D. (Port Severn, CA)
    Good quality products and fast shipping.

    I have been purchasing water filters on line for years and have recently been using this company which offers a good selection, competitive pricing, and fast shipping.

    Flavio C. (Amhertsburg, CA)
    So far so good

    Holding up good might need more O rings on the next order . 3 stage . Ran the water after using. TDS meter
    Numbers were lower. Good filter quality. Yetna approves.

    Armand B.
    Carbon block and particle filter

    Easy to install, water quality is great , and shipping is fast

    About KX Matrix

    KX Matrikx is a brand of water filtration systems that is known for its high-performance and high-quality filters. The company offers a wide range of products that can be used in a variety of applications, including residential, commercial, and industrial settings.

    One of the key features of KX Matrikx filters is their ability to remove a wide range of impurities from water, including chlorine, chloramines, lead, cysts, and other contaminants. The filters also have a high dirt-holding capacity, which means they can filter large volumes of water before needing to be replaced.

    KX Matrikx filters are made with a variety of different materials, including activated carbon, polypropylene, and cellulose. These materials are chosen for their specific filtration properties and ability to remove certain types of impurities. Some of the filters also feature a combination of different materials to provide more comprehensive filtration.

    In addition to its wide range of filters, KX Matrikx also offers a number of other products and accessories to help improve the performance and ease of use of its filtration systems. These include filter housings, filter cartridges, and filter replacement parts.

    KX Matrikx is a well-respected brand in the water filtration industry, known for its high-performance filters and commitment to providing customers with clean, safe water. The company's products are used in a variety of different settings and are known for their ability to effectively remove impurities and improve the overall quality of water.

    See all from KX Matrix

    Shipping Policy

    We offer FREE Shipping anywhere in Canada. Once your order is placed, we process it the next business day and ship via ground transportation. In very remote locations, whenever the shipping costs become prohibitive we reserve the right to either cancel the order or ask that you contribute to the shipping costs, it's up to you. Your items may take anywhere from a few days up to a few weeks to arrive. If you have any special shipping requirements, like requiring a signature at time of delivery, please leave a message in the "Special instructions for seller" section while checking out. If you order multiple products they may not all arrive at the same time as we ship from multiple warehouses and each item will be shipped directly to you. If no one is home when your order is delivered it will be left for you but we cannot assume responsibility for your order once it has been dropped off. If you have any questions please contact us at

    Thank you for your order, we appreciate your business!


    Our policy lasts 30 days. If 30 days have gone by since your purchase, unfortunately we can’t offer you a refund or exchange.

    To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.

    To complete your return, we require a receipt or proof of purchase.

    Please do not send your purchase back to the manufacturer.

    Once your return is received and inspected, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund.
    If you are approved, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within a certain amount of days.

    Late or missing refunds
    If you haven’t received a refund yet, first check your bank account again.
    Then contact your credit card company, it may take some time before your refund is officially posted.
    Next contact your bank. There is often some processing time before a refund is posted.
    If you’ve done all of this and you still have not received your refund yet, please contact us at

    Sale items
    Only regular priced items may be refunded, unfortunately sale items cannot be refunded.

    We only replace items if they are defective or damaged. If you need to exchange it for the same item, send us an email at and send your item to: The Water Store 1004 King Street Midland Ontario CA L4R0B8.

    To return your product, you should mail your product to: The Water Store 1004 King Street Midland Ontario CA L4R0B8

    You will be responsible for paying for your own shipping costs for returning your item. Shipping costs are non-refundable. If you receive a refund, the cost of return shipping will be deducted from your refund.

    Depending on where you live, the time it may take for your exchanged product to reach you, may vary.

    If you are shipping an item over $75, you should consider using a trackable shipping service or purchasing shipping insurance. We don’t guarantee that we will receive your returned item.