The OFT 5 insulated terminal range is suitable for use with heat recovery and high volume extract fans and for both mechanical and natural (passive) ventilation installations. It has a higher insulation value above the roof space which reduces the risk of condensation. The OFT 5 internal spigot is always 166mm (excluding OFT 5 180 mm) with additional reducers provided. With the following roof finishes: • Asphalt • Built up felt • EPDM • Bitumen • GRP roofs
- Large free vent area/Low Pa resistance
- Made of high-quality PP
- Applicable for all weather conditions
- High ventilation capacity
- Fully insulated to the cowl
- 2 piece stack aluminium flange
- Elegant design
- For new build and renovation purposes
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