Dayton 48" exhaust fan, Mod # 6KG31, 10HP - 208v,230v,460v 3 PH, 1750 RPM motor, Fan 978 RPM, Fan Dia 48", housing 54" x 54",Air Flow @ 0.125 Inch Static Pressure 44346 CFM and Air Flow @ 0.750 Inch Static Pressure 35903 CFM, in excellent condition, looks like new. - 070821a01 * * NO RESERVE * *