Imagine having a hopper in your garage full of pellets and you want to move them into a bin beside your pellet stove across the first floor. Well, for $149.00 you can get a 2" Exair fitting to adapt to the end of any 2" hose or PVC pipe. All you need is an air compressor capable of maintaining about 20 PSIG.
http://www.exair.com/pages/theater.aspx?gi=4001&dlg=1&gf=Air+Operated+Conveyors
http://www.exair.com/pages/theater.aspx?gi=4001&dlg=1&gf=Air+Operated+Conveyors