Efficient but quiet: Lead to great effects with a diameter of 4 inches, speed of 2930 RPM and 100 CFM air flow ... Note: Please turn the fan off immediately if the blades get stuck by other ...

Electronic Duct Fan Parameters ... more people to breathe good air! ༄༄Quiet and Energy Exhaust Blower: Saving performance is very good, This embedded fan to run more quietly and reach low ...