Tristar Industries, Delta, B.C. has introduced patented KVT head design to dramatically improve discharge consistency and vacuum of end drainage washer drums. KVT or Constant Velocity Technology realizes both the maintenance advantages of end drainage washers and the superior performance of pipe washers. According to the manufacturer, this design, exclusive to Tristar, is the most significant advancement in vacuum filter technology since the corrugated deck. www.tristar.com. PI