Description Featuring multi speed press button speed control The multi speeds gives the grower more control Allows for a wider range of flow rates without any extra outlay The new tough polymer casing adds a new degree to the product durability The all new 3D rotor stator motor is even more efficient - higher air flow and yet quieter Number of speed settings: 2 Speed #1 470 m³/h Speed #2 600 m³/h Duct Size: 150 mm Weight: 2.4 kg