The Rear's Duster is used to apply sulfur or other dry matter to vine crops. The stainless steel hopper is capable of holding 300 pounds of material. Hydraulics drive both the finger type material agitation and the feeding auger. Dust is fed to the high velocity air stream and out the variable direction outlets. The 24" centrifugal air fan is driven by a two speed gearbox to allow adjustments for early season application. Options: