TWPro MB - MI AD-Cowl - Ø 150
At a Glance
- - Crafted from premium stainless steel (304 outer, 316 inner)
- - Innovative anti-down draft design for improved chimney performance
- - Versatile compatibility with solid fuel, gas, and oil appliances
- - High-temperature black finish enhances durability and aesthetics
- - Fully welded construction for robust, long-lasting use
- - HETAS Approved and CE marked for safety and compliance

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 150 is an innovative anti-down draft terminal, specifically designed to integrate seamlessly with TWPro systems. This terminal provides an appealing finish to your chimney and is perfect for those experiencing downdraught challenges. Crafted from high-quality 316-grade stainless steel, ensuring durability and suitability across a range of fuels, including solid fuel, gas, and oil appliances.### APPLICATIONSThe TWPro MB - MI AD-Cowl is versatile and fits perfectly on woodstoves, gas coal effect fires, oil boilers, gas boilers, and various other solid fuel appliances.### CONSTRUCTIONThe outer skin is made from 304 stainless steel with a 0.4mm thickness and coated in a high-temperature black finish for added resilience and aesthetics.
The inner skin is constructed from 316-grade stainless steel, also 0.4mm thick, with compressed rockwool insulation at a density of 200kg/m3. Every component is fully welded to ensure a robust and reliable build. Maintain a safe distance of 50mm from combustibles.### APPROVALSRest assured with the TWPro MB - MI AD-Cowl as it is HETAS Approved and CE marked.
Designations include: EN1856-1 T600 N1 W V2 L50040 G50, EN1856-1 T200 P1 W V2 L50040 O20.### INSTALLATIONSecuring the TWPro Twin Wall Insulated Chimney components is straightforward with the included Locking Band. Ensure a 50mm clearance from the exterior of the flue to any combustible materials like wooden structures or plasterboard for safety.
SKU: 37-150-105
Technical Specifications | |
---|---|
Outer Skin Material | 304 Stainless Steel with High-Temperature Black Finish |
Inner Skin Material | 316-Grade Stainless Steel |
Skin Thickness | 0.4mm (both inner and outer) |
Insulation | Compressed Rockwool, 200kg/mu00b3 |
Fuel Compatibility | Solid Fuel, Gas, Oil Appliances |
Approvals | HETAS Approved, CE Marked (EN1856-1 T600 N1 W V2 L50040 G50, EN1856-1 T200 P1 W V2 L50040 O20) |
Minimum Clearance | 50mm from combustible materials |
Delivery Information +
We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Tuesday, April 8th. 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
At National Flues, we recommend the TWPro MB - MI AD-Cowl - Ø 150 for its robust construction and effectiveness in preventing downdraught issues. Ideal for both retail and trade customers, with reliable nationwide delivery and competitive pricing.
The TWPro MB - MI AD-Cowl - Ø 150 is designed to prevent downdraught in chimneys, ensuring better performance and safety of various fuel appliances.
National Flues specialises in supplying high-quality fireplaces and flues to both retail and trade customers across the UK, offering exceptional prices and reliable delivery services.
