Clearflow CF

The Elta Clearflow CF is a roof-mounted, vertical discharge centrifugal fan designed for external installation where internal plant space is limited. Its advanced backward-curved impellers with three-dimensional profiled aerofoil blades deliver air volumes up to 2.66 m³/s and static pressures up to 618 Pa while keeping efficiency high and acoustic emissions low, with the vertical discharge directing exhaust air upwards and away from the building.

We offer eight models across five sizes — 12½ inch, 14 inch, 16 inch, 18 inch and 20 inch — with 4-pole single-phase and three-phase AC external rotor motors.

• Mounts at angles up to 30° directly onto pitched roofs
• Bird guard and wind guard fitted as standard
• Pre-galvanised sheet steel casing with high-performance composite impeller
• Components easily removable for maintenance
• Stepped transformer speed control for operational flexibility and energy savings
• Rated for airstream temperatures up to 60°C; 12-month warranty

For hot, grease-laden or contaminated roof extract, specify the 120°C-rated Clearflow CFHT instead. Browse all roof mounted fans — lead times are shown on every product page.