TWPro MB - Anti-wind Cowl - Ø 150
At a Glance
- - Robust 304 stainless steel outer with high temperature black coating
- - Durable 316L stainless steel inner skin
- - Compressed rockwool insulation at 200kg/m³ for enhanced heat retention
- - Fully welded construction for long-lasting performance
- - HETAS approved and CE marked for safety compliance
- - Easy installation with supplied Locking Band
- - Maintains safe 50mm clearance from combustibles

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 Anti-Wind Cowl Ø 150 is the ultimate in wind and rain protection for your chimney flue. Specifically engineered to enhance the performance of solid fuel, gas, and oil appliances, this cowl is perfect for wood stoves, gas coal effect fires, oil boilers, and any other solid fuel appliances. Constructed with a robust outer skin of 304 stainless steel with a high-temperature black coating, and an inner skin made of 316 grade stainless steel, both 0.4mm thick.
The unit also features compressed rockwool insulation with a density of 200kg/m3 for superior heat retention. Fully welded for added durability, it maintains a safe 50mm distance to combustible materials, ensuring safety and peace of mind. Approved by HETAS and CE marked, it carries the designation numbers EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 P1 W V2 L50040 O20.
Installation is a breeze with the supplied Locking Band. For optimal performance, maintain a 50mm clearance from the flue's exterior to any combustibles like wood or plasterboard.
SKU: 37-150-091
Technical Specifications | |
---|---|
SKU | 37-150-091 |
Designation | EN1856-1 T600 N1 W V2 L50040 G50 / EN1856-1 T200 P1 W V2 L50040 O20 |
System | TWPro Black |
Inner Material | 316L Stainless Steel (0.40mm) |
Outer Material | 304 Stainless Steel (0.40mm, High Temperature Black Coated) |
Insulation | Compressed Rockwool 200kg/mu00b3 |
Approval | HETAS / CE |
Distance To Combustibles | 50mm |
Installation Aid | Supplied Locking Band |
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 Anti-Wind Cowl is one of our bestsellers for a reason. Its superb construction and efficiency make it a top choice for both retail and trade customers all over the UK. We're rarely beaten on price and ensure reliable nationwide delivery.
The TWPro MB Anti-Wind Cowl is designed to protect your chimney flue from wind and rain, enhancing the performance and safety of your heating appliances.
National Flues is a trusted supplier of fireplaces and flues across the UK, known for competitive pricing, reliable nationwide delivery, and robust trade and retail customer support.
