The 812 AirMax will provide the highest air flow and start working at the lowest temperature so this is the ultimate choice. This can be confirmed by viewing the Performance and Efficiency graphs by clicking here.
The AirMax is supplied with the reassurance of a 2 year warranty
Size: Base 121x82mm (4.75 x 3.25”). Height 248mm (9.75”) excludes handle.
Blade diameter 232mm (9”)
The Ecofan 812 generates up to 175 Cubic Feet (of Air) per Minute.