TWPro - MB MI AD-Cowl - Ø 125
At a Glance
- - Addresses downdraught issues effectively
- - Constructed with high-grade 304 and 316 stainless steel
- - HETAS approved and CE marked for safety and reliability
- - Suitable for all fuel types (wood, gas, oil, solid fuels)
- - Fully welded construction for enhanced durability
- - Easy installation with supplied Locking Band and clear 50mm combustible spacing

Please Note: All dimensions refer to the internal diameter of flues. If unsure, please call 01670 206999 to ensure you choose the correct products.
We Won't Be Beaten On Price
At National Flues, we continuously monitor competitor prices. This ensures that we consistently offer you the best deals on all our products. Here’s how we keep your costs low:
- Daily Price Matching: Our team adjusts prices to ensure we stay competitive.
- Bulk Purchasing Power: We sell a lot, so we can negotiate better rates with suppliers, passing the savings directly to you.
- Operational Efficiency: We have streamlined processes to reduce overhead.
Price Match Guarantee: If you find the same product cheaper within 48 hours, we’ll match it and refund the difference.
Free Delivery Over £100: Orders over £100 are free delivery (call us if delivery is required outside the mainland UK).
“I saved 20% on my purchase compared to other retailers. Exceptional service!” – Jane D.
Have Questions?
Phone: 01670 206999
Email: [email protected]
- Info
- Specs
- Install
- FAQs
The TWPro - MB MI AD-Cowl - Ø 125 is your go-to solution for addressing downdraught issues in chimneys. Expertly crafted for seamless integration with TWPro system components, this terminal adds both functionality and aesthetic appeal to your chimney setup. Constructed from high-quality materials, the outer skin is made from 304 stainless steel and coated with a high-temperature black finish, while the inner skin consists of 316-grade stainless steel, making it suitable for all fuel types including wood, gas, oil, and solid fuels.
To ensure outstanding insulation, it features compressed rockwool with a density of 200kg/m3. Fully welded construction and compliance with HETAS and CE standards ensure both safety and durability. The terminal is easy to install using a supplied Locking Band and maintains a safe 50mm distance from combustibles, making it a reliable choice for any chimney system.
SKU: 37-125-105
Technical Specifications | |
---|---|
SKU | 37-125-105 |
Diameter | 125mm |
Material Outer | 304 stainless steel with high-temperature black finish |
Material Inner | 316-grade stainless steel |
Insulation | Compressed rockwool (200kg/m3 density) |
Construction | Fully welded |
Approvals | HETAS and CE marked |
Installation | Locking Band supplied; maintain 50mm clearance from combustibles |
Delivery Information +
We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Friday, April 4th. If you need faster stove or fireplace delivery please give us a call. We can often reduce longer lead times if we pay the carrier £25 for express delivery. Visit our Shipping Information page for more information.
Warranty & Returns +
All our products come with warranties. Mi-Flex offers a lifetime guarantee. Returns for damaged items are covered by insurance; non-damaged returns incur return delivery costs.
Price Match Guarantee +
We will match any price like for like. If you find it cheaper within 48 hours, we'll refund the difference.
Compatible and other products that may be of interest...
National Flues Ltd Verdict
The TWPro - MB MI AD-Cowl - Ø 125 is a top-notch product designed to solve downdraught issues effectively. With its robust build and compatibility with all fuel types, it’s perfect for both trade and retail customers. National Flues guarantees reliable delivery across the UK.
The TWPro - MB MI AD-Cowl is designed to address downdraught issues in chimneys, providing a secure and effective termination for flue systems.
National Flues is a leading supplier of fireplaces and flues in the UK, known for their competitive prices, reliable delivery, and excellent customer service. Catering to both retail and trade customers, National Flues is your trusted source for high-quality chimney products.
