After three years of field trials in multiple states, Greenleaf Technologies' TurboDrop DualFan(TADF) has been designated PFR Proven by Beck’s. The TADF showed a return on investment of $23.29 per acre averaged over all trials over the three years. Below is some of the data and a few quotes from the study.

"Nozzle selection will significantly impact droplet size, spray pattern, and ultimately, coverage. The Greenleaf Turbo Dual Fan nozzle is unique in that it offers two different spray angles with each nozzle."