4 Inch Inline Duct Fan Air Ventilator Pipe Ventilation Exhaust Fan

and efficient performance high speed silent energy saving High quality fan blades are durable and over plastic fan blades. Lightweight and practical the operation is as smooth as any fan we encounter Long service life with special fully enclosed drum motor Environmentally and non-polluting it is perfect for planting room ventilation or in combination with carbon filters to control odour. Colour: white Material: metal Package Contents: 1 x Vent Fan Only the above package content other products are not included. Note: Light reflection and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.