the most cost effective sprayer for your needs is the Tighten 440i
it costs more than a grayco but i have sprayed over 4,000 gallons with mine and only had to repack it once. Make sure you take care of it by cleaning it.
it costs more than a grayco but i have sprayed over 4,000 gallons with mine and only had to repack it once. Make sure you take care of it by cleaning it.