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MI-Flex 904L 175mm Terminals - Quality Flue Terminals in the UK

Get the best MI-Flex 904L 175mm (7 inch) terminals for your flue system in the UK. These terminals offer high-quality materials and precise engineering to ensure your fireplace functions efficiently and safely. With a focus on durability and performance, MI-Flex terminals are designed to withstand the demands of heating systems while maintaining optimal ventilation.
Get the best MI-Flex 904L 175mm (7 inch) terminals for your flue system in the UK. These terminals offer high-quality materials and precise engineering to ensure your fireplace functions efficiently and safely. With a focus on durability and performance, MI-Flex terminals are designed to withstand the demands of heating systems while maintaining optimal ventilation.


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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.

£35.99 £137.99
Showing 14 of 14 items
Pot Hanger with AD Cowl (Natural) - Ø 180

Pot Hanger with AD Cowl (Natural) - Ø 180

20-180-PHAD
£125.99 (including VAT)
In stock
Pot Hanger with AD Cowl (Terracotta) - Ø 180

Pot Hanger with AD Cowl (Terracotta) - Ø 180

20-180-PHADT
£132.99 (including VAT)
In stock
MI-FLEX Pot Hanging Cowl (Natural) - Ø 180

MI-FLEX Pot Hanging Cowl (Natural) - Ø 180

20-180-PHCM
£86.99 (including VAT)
In stock
MI-FLEX Pot Hanging Cowl (Terracotta) - Ø 180

MI-FLEX Pot Hanging Cowl (Terracotta) - Ø 180

20-180-PHCMT
£99.99 (including VAT)
In stock
Top Insert Sleeve with Rain Cap - Ø 180

Top Insert Sleeve with Rain Cap - Ø 180

20-180-PSRC
£42.99 (including VAT)
In stock
Rain Cap - Ø 180

Rain Cap - Ø 180

20-180-RC
£39.99 (including VAT)
In stock
Screw-FIX Rain Cap - Ø 175

Screw-FIX Rain Cap - Ø 175

25-175-RC
£39.99 (including VAT)
In stock
Premium PH Cowl (Natural) - Ø 180

Premium PH Cowl (Natural) - Ø 180

20-180-PHCMP
£99.99 (including VAT)
Out of stock
Premium PH Cowl (Terracotta) - Ø 180

Premium PH Cowl (Terracotta) - Ø 180

20-180-PHCMTP
£82.99 (including VAT)
Out of stock
Pot Hanger - Ø 180

Pot Hanger - Ø 180

20-180-PHS
£35.99 (including VAT)
Out of stock
MI-FLEX Square Pot Hanging Cowl (Natural) - Ø 180

MI-FLEX Square Pot Hanging Cowl (Natural) - Ø 180

20-180-SPHCM
£109.99 (including VAT)
Out of stock
MI-FLEX Square Pot Hanging Cowl (Terracotta) - Ø 180

MI-FLEX Square Pot Hanging Cowl (Terracotta) - Ø 180

20-180-SPHCMT
£137.99 (including VAT)
Out of stock
Screw-FIX Pot Hanging Cowl, Natural - Ø 175

Screw-FIX Pot Hanging Cowl, Natural - Ø 175

25-175-PHCM
£84.99 (including VAT)
Out of stock
Screw-FIX Pot Hanger - Ø 175

Screw-FIX Pot Hanger - Ø 175

25-175-PHS
£38.99 (including VAT)
Out of stock
Your Terminals Questions Answered

Are MI-Flex terminals suitable for all types of fuel? -

Yes, MI-Flex 904L 175mm (7 inch) terminals are designed to be compatible with various fuel types, including wood, gas, and oil.

Do MI-Flex terminals require professional installation? +

How can I ensure the proper sizing for my flue terminal? +

Are MI-Flex terminals suitable for high-temperature applications? +

Do MI-Flex terminals come with a warranty? +

Can MI-Flex terminals be painted to match my exterior? +

How often should MI-Flex terminals be inspected for maintenance? +

When it comes to ensuring your fireplace operates at its best, choosing the right terminals is crucial. MI-Flex 904L 175mm (7 inch) terminals are known for their superior construction and longevity. These terminals are easy to install and provide a secure connection between your flue and the outside environment. Whether you need a terminal for a new installation or a replacement, MI-Flex offers a range of options to suit your requirements.
Why Buy Terminals Products
MI-Flex 904L 175mm (7 inch) terminals are ideal for both residential and commercial applications. These terminals are suitable for various fuel types and can accommodate different flue sizes. Whether you have a traditional fireplace, wood-burning stove, or gas appliance, MI-Flex terminals provide the ventilation needed for safe and efficient operation. With their corrosion-resistant properties, MI-Flex terminals are built to last, giving you peace of mind for years to come.

Trusted By Trade Professionals

Our Terminals 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.

Dedicated Support

Experience our unparalleled customer service and support when you buy Terminals 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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