ACH24 , ACH30High performance grade fan.Fan head (motor, blade, guard) ships in one box.Pedestal pole and base (ACM-P) ships in one box.14 HP, 2-speed, 120 volt, totally enclosed, ball bearing, permanently lubricated, permanent split capacitor.Pull chain switch.68005000 cfm 24"79006000 cfm 30"12' long 3 conductor SJT type cord.Steel hubspider & aluminum paddles.Chrome plated steel guard.Column adjustment: 52" - 82"27" diameter steel dome pedestal base.Columnbase connection: 5 carriage bolts.F-18-TE Floor model, F-18H-TE High stand model 18 hp, 3 speed, 1 phase, 120 volt, sleeve bearing, permanently lubricatedRotary SwitchChrome Plated guardSteel hubspider & aluminum paddles.CFM range: 3200 4700 5750.1 year limited warranty.