Wow, now I'm confused
We use SRS 600's. We use the yellow flat fan tips. They are made by several company's, I think the one in my sprayer right now is a D. B. Smith #2008. We have done this for the past 6 to 8 years? We mostly spot spray. But If there are many weeds in one area, we wave it back and forth and blanket. Have even done lawns 40K plus this way.