Grandio Solar Roof Ventilation Fan is the perfect accessory for helping to cool your greenhouse while providing the necessary ventilation to help your plants grow. Requires full unobstructed sun to run the fan, can be turned off by turning the thermostat to off. The fan will not run when there is no sun light.

• Fan is made of Aluminum Alloy
• DC Fan 12V 15W, Max 154 CFM
• Temperature control switch 32-122 degrees Fahrenheit or 0-50 degrees Celsius
• Fan Dimensions: 120mm x 120mm x 38mm or 4.72" x 4.72" x 1.5"
• Acutal Unit: 366mm x 366mm x 63mm or 14.5" x 14.5" x 2.5"
• Voltage Range: DC6.0-13.8V
• Noise Index 50 dB(A)
• Weighs less than 9 lbs
• Single direction fan outward ventilation fan