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KX Matrikx CTO 20" BB Carbon Filter 4 Pack 32-450-20-Green


The KX Matrikx CTO 20" Big Blue Carbon Block Water Filter #32-450-20-Green Case of 4

Formerly 32-425-125-20

This is a perfect water filter cartridge for your family that is NSF tested and Certified to reduce chlorine taste & odor in your drinking water. This carbon block filter also reduces organic compounds, sediment, and dirt through its 5 micron nominal/10 micron Absolute rating. This 20 inch water filter can be used in residential and commercial applications, as well as in food service and pre- and post- RO filter systems.

    ✔️ Minimal pressure drop
    ✔️ Measures 20 inches x 4 1/2 inches 
    ✔️ High absorption and capacity
    ✔️ No carbon fines released
    ✔️ 5 nominal/10 Absolute micron rating
    ✔️ Capacity For Chlorine Reduction: 12,000 @ 2gpm
    ✔️ NSF 42 Test & Certified for Material Requirements


    Product Number  SMF 32-450-20-Green

    KX Matrikx IndustriesCTO/2 Product Manual

    Customer Reviews

    Based on 1 review
    Mark Brown (Bradford, CA)
    Matrikx 20" water filters

    So far these filters seem to be a good substitute for the big blue filters I've been using. There has been no noticeable drop in water pressure either. If they do the same job as regular carbon filters I will definitely re-order these filters.

    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 to all contiguous states in the United States. If you would like to order products for shipment to other areas please email us with your shipping address and what you would like to order and we'll email you a draft order which will include any extra shipping costs. 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.