AirVANTAGE Industrial-Grade Orbital Pneumatic 3" x 4" Jitterbug Air Sheet Sander With 1" Diameter Central-Vacuum, 1/4 in. NPT Air Inlet (CV: PSA Vinyl) - - Amazon.com
Campbell Hausfeld TL1005 Jitterbug Sander
DEWALT 6 in. Dual Action Sander DWMT70780 - The Home Depot