The 300mm fixed length of SFL Sflue twin wall pipe is manufactured for use internally and externally and is safe for passing through any surface. This item also comes supplied with a locking band for secure connections.

Sflue utilises an eight barb quick lock jointing system to secure one joint with another and further secured with the locking band. If you are unsure exactly what length of flue you require, we also supply Adjustable Lengths (listed separately).

SFL Sflue twin wall pipe is CE approved for use in the UK, designation number BS EN:1856-1 T450 N1 D Vm L50040 G50.

• Distance to Combustibles: 50mm
• Warranty: 10 years
• Finish: Stainless Steel
• Internal Diameter: 127mm
• External Diameter: 178mm
• Connections: Eight Barb Twist Quick Lock (Locking Band Included)
• Grade of Steel: 316 Internal, 304 External
• Thickness of Steel: 0.5mm
• Insulation:: 25mm auger injected mineral wood material
• Temperature Resistance: 450°C
• Approvals: HETAS Approved, CE, BS EN ISO 9001
• Designation No: BS EN:1856-1 T450 N1 D Vm L50040 G50