Replacement Filter Block

    Suggested retail

    SALE PRICE $49.99



    29% OFF

    Factory Direct Savings

    Enjoy the confidence that comes with knowing your family is drinking the purest water. Our filters are customized based on water quality data to provide water that's not only clean, but tailored to suit your family's needs. Rely on our commitment to purity and safety, allowing you to drink fresh and healthy water, just as nature intended. This replacement cartridge is used in our under sink, counter top, and refrigerator/ice maker water filter units.

    One-time purchase



    Add Ons

    Counter Top Water Filter



    Pay with affirm
    Lifetime warranty of tanks and valves
    100% satisfaction guarenteed

    • Targeted Removal: Designed to filter out PFAS, Lead, Arsenic, and more.
    • Easy Replacement: Swap out in just a couple of minutes, no tools needed.
    • Trusted Purity: NSF Certified to ensure clean and safe drinking water.
    • Exceptional Support: Access to our dedicated team of Water Specialists.
    • Advanced Filtration: Removes 95% of chlorine and impurities, maintaining high-quality water standards.

    Advantages of Our Replacement Filter Block

    The Replacement Filter Block from One Green Filter is unique because of its cutting-edge construction and excellent functionality. Unlike conventional filters, our Filter Block guarantees spotless and safe water for your home or business environment.

    Better Efficiency of Filtration:

    Because they efficiently remove pollutants, Replacement Filter Blocks guarantee that the filtration system performs at its best.

    Improved security and well-being:

    Replacing old filters in water filtration systems helps ensure that dangerous materials like lead, chlorine, and other toxins are continuously removed, making the water healthier and less hazardous to drink.

    Longer Equipment Life:

    To avoid blockage and stress on the filtration system, change filter blocks regularly. Through extended equipment lifespans, expensive repairs, and replacements are avoided thanks to this maintenance regimen.

    Expense-effective Maintenance:

    Although buying replacement filters has a cost, it's usually far less than the cost of repairing equipment damaged by improper maintenance. Furthermore, functional filters can increase the system's energy efficiency and reduce utility costs.

    Replacement Filter Block Working

    A multi-stage filtration technique is used by our Replacement Filter Block to provide the purest water possible. In order to keep bigger particles and dirt out of your water supply, the first stage targets them. Our state of the art carbon filtration then disposes of chlorine and terrible stenches, making your water taste better. Ultimately, to guarantee that your water is spotless and safe, our expert filter media focuses on specific pollutants like lead, pesticides, and unpredictable natural mixtures.

    Installation and Maintenance 

    Setting up our Replacement Filter Block is easy and requires no extra effort. Our filter is easy to install by following a few simple steps, and it comes with complete instructions. We suggest replacing the filter block as per the producer's guidelines to ensure maximum execution. Keeping up with your water purification systems consistently can guarantee clean water for a long time to come.

    Right Replacement Filter Block for Your Needs

    Choosing the right replacement filter block for your needs can be a straightforward process if you consider the following tips:

    Identify the filter type
    Check the specifications
    Understand your water quality needs
    Filter lifespan
    Ease of replacement
    Customer reviews and ratings
    Certifications and standards

    Simple Installation Add-On Kit with Clack Connectors

    The Clack Connectors Installation Add-On from One Green Filter makes installation simple and hassle-free. You can quickly connect your system with our 24-inch Clack Components without the use of additional elbows, glue, or conventional plumbing components. Purchase yours today to streamline the installation procedure.

    No Decrease in Water Pressure

    Selecting a One Green Filter Water System guarantees that your water pressure won't decrease! We Promise!

    What good is it to invest in a Water Filtration System if you're going to experience a decrease in water pressure?  In order to guarantee that you never experience a dip in water pressure, we at One Green Filter design our systems based on the number of bathrooms in your house.


    This is what you should consider! A typical shower uses two and a half liters of water every minute. In the event that all three of the full bathrooms in your house are in use at the same time and you use around 6.3 gallons per minute (GPM), that is. Make sure the system you buy has at least 8 GPM in case your kitchen sink and other appliances are running.

    One Green Water Filtration


    Under Sink Unit - 9 GPM

    Competitor's Standard GPM


    Under Sink Unit - 6 GPM

    Why Choose One Green Filter's Replacement Filter Block?

    We recommend our Replacement Filter Block above other options for a number of reasons. First off, our product is a flexible option for both homes and businesses because it works with the majority of water softener systems. Furthermore, our filters are reasonably priced and long-lasting, giving you clean water without the need for regular renewals. Furthermore, our environmentally friendly materials reduce plastic waste, improving the health of the world.


    When looking for safe and clean water, One Green Filter's Replacement Filter Block is a great option for both companies and homes. Our product delivers outstanding performance and reliability thanks to its eco-friendly materials, cutting-edge filtering technology, and unique design. Try the best water filter block from One Green Filter today and see the difference!

    Would you like to finance your filtration system? Make easy monthly payments over 3, 6, or 12 months

    You can finance the purchase of your Replacement Filter Block today. Click on the Affirm logo at check out to see if you qualify.

    Quick & Easy

    Enter a few pieces of information for a real-time decision.

    No hidden fees

    Know up front what you'll owe, with no hidden costs and no surprises.

    85% of the Country Has Hard Water

    Concentration of Water Hardness in Grains Per Gallon

    How to Install Our System

    Are you the DIY type?


    Are you handy? Are you familiar with plumbing and piping? Then this may be a job for you! We will provide you with bypass valve and 1" elbow fittings. All you need to provide is your own piping and fittings to attach to the system. Watch our video for more details.


    Are you the NOT DIY type?


    If you're not handy (not all of us are), you will just need to hire a handyman or plumber! Prices may vary depending on your location and where your main water line is coming into your home.

    Frequently Asked Questions

    What our customer said about us

    Our customers love us! See why One Green Filter is your one stop shop for all of your home water needs!.

    “Ever since we installed our One Green Filter system, we've noticed a remarkable difference in the taste and clarity of our water. It's a game-changer for our family's health and peace of mind. We're thankful for the technology that ensures our water is pure and safe!”


    Sarasota, FL

    “I'm a stickler for sustainability, and I wanted a filtration system that matched my values. One Green Filter delivered not only on eco-friendliness but also on performance. My water is crisp and refreshing, and I love knowing that I'm reducing plastic waste from bottled water.”


    Gainesville, FL

    “Our One Green Filter system was a lifesaver during the last algae bloom scare. While our neighbors were wary of their tap water, we had continuous access to pure, uncontaminated water. It's comforting to know we have that line of defense.”


    Fort Myers, FL

    One Green Filter offers soft, pure water that not only ensures cleaner laundry, spotless dishes, and longer-lasting appliances but also promotes healthier skin, hair, and hydration to enhance your overall quality of life. Enjoy the benefits of purified water with One Green Filter, serving customers all across the United States.