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High-Quality Flue Liners for Efficient Home Heating | MI-Flex 316L 175mm (7 Inch) Flue Liner

Upgrade your fireplace with MI-Flex 316L 175mm (7 Inch) flue liners, the gold standard in chimney technology. Crafted for durability and efficiency, these liners ensure your chimney operates at its best. With easy installation and a range of options including cut lengths and coils, MI-Flex 316L flue liners guarantee a seamless upgrade to your flue system.
Upgrade your fireplace with MI-Flex 316L 175mm (7 Inch) flue liners, the gold standard in chimney technology. Crafted for durability and efficiency, these liners ensure your chimney operates at its best. With easy installation and a range of options including cut lengths and coils, MI-Flex 316L flue liners guarantee a seamless upgrade to your flue system.


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The best selling flue liner in the UK. Suitable for gas, oil, and approved solid fuels. Call our advisers on 01670 206 999 if you need any help choosing.

£29.99 £1,218.99
Showing 2 of 2 items
316L Mi-FLEX 180mm x 1m CUT LENGTH

316L Mi-FLEX 180mm x 1m CUT LENGTH

35Z-180-1
£29.99 (including VAT)
In stock
316L Mi-FLEX 180mm x 32m COIL

316L Mi-FLEX 180mm x 32m COIL

35Z-180-32
from £1,218.99 (including VAT)
In stock
Your Flue Liner Questions Answered

What are the benefits of using a MI-Flex 316L flue liner? -

MI-Flex 316L flue liners enhance chimney performance by providing a smooth and insulated passage for smoke and gases. They improve draft efficiency and reduce the risk of chimney fires.

Are MI-Flex 316L 175mm (7 Inch) flue liners suitable for all fuel types? +

How do I know what size MI-Flex flue liner I need for my chimney? +

Can I install a MI-Flex 316L flue liner myself? +

Do MI-Flex 316L flue liners require maintenance? +

Are MI-Flex 316L flue liners environmentally friendly? +

Can MI-Flex 316L flue liners help prevent chimney downdrafts? +

Do MI-Flex 316L 175mm (7 Inch) flue liners come with a warranty? +

When it comes to enhancing your home's heating, investing in a high-quality flue liner like MI-Flex 316L 175mm (7 Inch) is a game-changer. These flue liners are constructed from premium 316L stainless steel, known for its durability and corrosion resistance, ensuring a long lifespan for your chimney. Whether you opt for the convenient cut lengths or cost-effective coil options, MI-Flex flue liners provide a secure and efficient passage for smoke and gases to exit your home.

With MI-Flex 316L 175mm (7 Inch) flue liners, you can rest assured that your fireplace operates safely and cleanly, reducing the risk of chimney fires and improving overall air quality within your home.
Why Buy Flue Liner Products
MI-Flex 316L 175mm (7 Inch) flue liners are ideal for both new installations and chimney upgrades. These liners are perfect for wood-burning stoves, gas or oil appliances, ensuring proper ventilation and preventing harmful emissions from entering your living space. By incorporating MI-Flex flue liners into your chimney system, you guarantee a more efficient and safer heating experience for you and your family.

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Our Flue Liner products and services are trusted by hundreds of professionals nationwide. We're committed to providing quality and reliability that meets the high standards of our customers.

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Experience our unparalleled customer service and support when you buy Flue Liner from National Flues. Our team is here to assist you every step of the way, ensuring your needs are met with expertise and care.

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