Handler IVHandler IV With bypass rates of 350 GPM made possible by the 3 Hypro polypropylene pump, this is the fastest Handler IV yet. In addition to the increased bypass speed, the pump provides higher pressures and creates even greater agitation than the H43P65V. Using closed loop recirculation through the exclusive dual inlet venturi, this model is able to induct bulk chemical into The Handler tank without your sprayer needing to be there! Whether it is high