1. Durable and well made.
2. Eco-friendly and harmless to human.
3. Color: White
4. Voltage: 12V
5. Speed: 1800 rpm
6. Air volume: 60CFM
7. Installation:
(1). Opening size: diameter 118mm(the extension pipe can use a hose with an inner diameter of 120mm or a PVC pipe with a diameter of 110mm)
(2). Out of the roof: height: 53mm; width: 150mm
(3). Installation thickness: 80-160mm adjustable
(4). Connection: Red wire(+); Black wire(-)