904L Mi-FLEX 200mm x 1m CUT LENGTH (36Z-200-1)
At a Glance
- Made from premium 904L grade stainless steel for superior durability and corrosion resistance
Double-skinned design with a smooth inner layer and a convoluted outer layer for enhanced thermal performance
Engineered with a secure Omega-Lock seam, providing a robust quattrolock seal
Multi-fuel compatibility including gas, oil, coal, coke, dry logs, peat, and smokeless fuels
Approved by HETAS and CE, with a lifetime warranty when installed with Screw-FIX accessories
Delivery Information +
We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Tuesday, July 1st. This is based on current delivery times for this product. Delivery for products not in our warehouses can be delayed because of third party carriers. If you need a stove, or other bulky product, to be delivered by a specific time in the next 7 days then please give us a call. We can sometimes 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 and you can read in our blog about they types and terms and conditions for warranties. Mi-Flex flue liner, for example, comes with a lifetime guarantee. Give us a call if you want to know about a specific warranty. 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, on a retail basis. Give us a call if you find it cheaper and want to buy from us.
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 904L Mi-FLEX 200mm x 1m CUT LENGTH flexible flue liner is an outstanding product designed for relining masonry chimneys. Constructed from 904L grade stainless steel, this double-skinned liner boasts both a smooth inner layer and a convoluted outer skin, each with a thickness of 0.105mm. The liner is built from a single strip of steel, folded in four planes to create a secure quattrolock seal.
Ideal for multiple fuel types including gas, oil, coal, coke, cured dry logs, cured dry peat, and approved smokeless fuels, this product is both HETAS and CE approved. Featuring detailed installation and maintenance guidelines, it offers peace of mind with a lifetime manufacturer’s warranty when used with Screw-FIX accessories.
SKU: 36Z-200-1
| Technical Specifications | |
|---|---|
| SKU | 36Z-200-1 |
| Dimensions | 200mm x 1m (cut length) |
| Material | 904L grade stainless steel; 0.105mm thickness (both inner and outer layers) |
| Design | Double-skinned with a smooth inner layer and a convoluted outer layer featuring an Omega-Lock seam |
| Fuel Types | Compatible with gas, oil, coal, coke, cured dry logs, cured dry peat, and smokeless fuels |
| Approvals | HETAS, CE |
| Warranty | Lifetime (when installed with Screw-FIX accessories) |
| Manufacture Process | Single Strip Process creating a secure quattrolock seal |
| Manufacturer | Mi-Flues Ltd |
