These fans have a 3-wing blade mounted in a square steel ring frame style venturi for easy mounting. They can be operated from battery or PV direct. The 12” fan fits between 16” center studs and delivers approximately 500 CFM at 12 volts and 1200 CFM at 24 volts. The 16” fan fits between 24” center studs and delivers 750 CFM at 12 volts and 1800 CFM at 24 volts. The 12" fan uses 0.7A @ 12V and 2A @ 24V. The 16" fan uses 0.9A @ 12V and 2.4A @ 24V. |