See all of our over 30 Brands

Filmtec Residential Membrane1.8"x12" 100 GPD


Filmtec Residential Membrane Element 1.8"x12" 100 GPD

    ✔️ FILMTEC™ reverse osmosis membrane elements for home drinking water are the industry's most reliable.
    ✔️ Advanced membrane technology and automated fabrication allow these elements to deliver consistent performance that equipment suppliers, water treatment dealers, and residential customers can rely on.
    ✔️ FILMTEC elements are shipped dry for convenient handling and long shelf-life.
    ✔️ FILMTEC TW30-1812-100 is rated at 50 psi and will purify about 20% more water than competitive elements rated at 60 psi (please see the manual for more information). 
    ✔️ If you are not sure if it is time to replace your RO membrane we suggest you test the water's TDS with this test meter.  
    ✔️ Typically RO membranes last from 3-7 years.


    Product Number R/O TW30-1812-100

    Download manual here

    Customer Reviews

    Be the first to write a review
    About Filmtec

    Filmtec is a brand of reverse osmosis (RO) membrane elements produced by Dow Water & Process Solutions, a subsidiary of The Dow Chemical Company. These elements are used in a variety of industrial, commercial, and residential applications to remove impurities from water.

    Filmtec RO membrane elements are made from a thin film composite material that is designed to be highly selective in removing dissolved solids, organic compounds, and microorganisms from water. They are available in a wide range of sizes and models, with different levels of salt rejection, flow rates, and operating pressures.

    One of the key benefits of using Filmtec RO membrane elements is their high efficiency in removing impurities from water. They can achieve salt rejection rates of up to 99.5%, making them ideal for use in desalination and other water purification applications. Additionally, they are able to remove a wide range of dissolved solids and organic compounds, making them suitable for use in a variety of industrial and commercial applications.

    Another benefit of Filmtec RO membrane elements is their long lifespan. They are designed to have a long service life, typically ranging from 2 to 5 years, depending on the specific model and application. This helps to minimize maintenance costs and downtime associated with replacing or servicing the elements.

    Filmtec RO membrane elements are also known for their ability to handle a wide range of feed water conditions, including high temperatures and pressures, making them suitable for use in a variety of challenging environments.

    Overall, Filmtec RO membrane elements are a reliable, high-performance solution for water purification. With its high efficiency, long lifespan, and ability to handle challenging feed water conditions, Filmtec RO membrane elements are widely used in industrial, commercial, and residential applications.

    See all from Filmtec

    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.