The Amp 110V sole phase engine runs at 3450 RPM. It generates 1280 CFM air vacuum to trap airborne debris from some woodworking saw, planer, jointer, branded saw, that is sharper and acts as a sander having an airborne dirt and dust port. It is definitely a great dust collector from Shop Fox, this device also offers an additional heavy-duty 12-inch steel impeller plus a 1-1/2 HP ensgine that operates on 110-Volt. Powerful Shop Fox dust collector offers a heavy-duty 12in. steel impeller plus a 1.5 HP, 16. Though widely available in most online outlets. this Cannot ship to AK, CA, CT, HI, LA, MA, MD, MS and RI. Other specs include: HP: 1 1/2, Volts: 110, CFM: 1,280, Hose Diameter (in.): Dual 4 in. ports off a 6 in. inlet.