I got a four gallon solo backpack sprayer with a two spray head boom for about $120. Solo is a good brand and very durable. I looked at Echo but they were more expensive. Echo, I think makes a good product, but the Solo is just as good, thats what we have always used on the farm.
What we've got here is failure to communicate. Some men you just can't reach, so you get what we had here last week which is the way he wants it. Well, he gets it. And I don't like it any more than you men. :Cool Hand Luke (1967)