Piston Plunger Progressive Cavity and Roller Spr in the Piston Plunger Progressive Cavity and Roller Spr sub-category in the Pumps category from GoVets is the perfect solution for customers looking to complete their project. Roller Spray Pumps are a type of pump that uses a piston plunger to move a liquid or gas through a cavity. These pumps are used in a variety of applications, including industrial, agricultural, and automotive. Shop today and find the perfect Piston Plunger Progressive Cavity and Roller Spr pump for your project.