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Swept impeller with Aerofoil blades
Thermal overload protection for motor safety
and plumbing installations
Constructed from a combination of aluminium (frame) and steel (removable inner core)
3m Spiral Duct Diameter:280mm Swept impeller with Aerofoil bladesManufactured from corrosion resistant galvanised steel as standard Complies with HVCA specification DW144 Suitable for high, medium and low pressure systems Used in heating, ventilation, air conditioning and fume extraction Spiral is large end (female) and requires small end (male) connection pieces to fit two pieces of spiral together
