I upgraded to the brush less sander. so I  want to sell my used festool ets 150/3 in old style systainer with medium and hard pads. New this lists about $409

(this is a 6 inch sander) 

300$ in marlborough

https://boston.craigslist.org/bmw/tls/d/festool-6-inch-sander/6559974557.html