Used to convey dry ground feed and crumble type mash – maximum moisture content 18%. Maximum particle size 3/16″ diameter x 1/2″ long. System is not recommended for large pellets or shelled corn. PVC tubes are 3.5″ (90mm) outside diameter; flexible auger is 2.71″ outside diameter. Approximate feed delivery rate is 100 lbs. per minute or 6000 lbs. per hour based on 40 lbs./cubic foot feed density and 358 rpm drive unit.