Powerful and efficient performance, high speed silent energy savingHigh quality fan blades are durable and powerful over plastic fan blades.Lightweight and practical, the operation is as smooth as any fan we encounterLong service life with special fully enclosed drum motorEnvironmentally friendly and non-polluting, it is perfect for planting room ventilation or in combination with carbon filters to control odour.Two-way stable design, long-term work is not afraid of shock.High-quality patch stamping, fixed and not afraid of vibration.Model: YT100Voltage: 220V 50HzInput power: 25WSpeed: 2800R / MinAir volume: 140m3/HRunning noise: 30-35dbsize: Diameter: 100 mmHeight: 80 mmColour: BlackMaterial: metalPackage Contents:2 x Vent FanOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.