http://tinyurl.com/okm2ynk<P>Chapin 61803 Roundup ProMax Series Backpack Sprayer, 4-GallonProduct Review<P> Click on the link for more reviews<P>Roundup ProMax backpack sprayer has a large opening for easy filling with a built-in filter basket<P>Comes with 3 nozzles; brass, poly cone and poly fan<P>4-Position pressure relief valve from 15 to 60-PSI<P>CF Valve for precise applications and efficiency<P>Measures 14-3/4-inch length by 8-1/2-inch width by 22-1/16-inch height<P>
