Vibratory Screen Information. Press Technology's Pre-thickener / Vibratory Screen is designed for manure slurry separation and all hog manure applications. The Vibratory Screen comes in 3 Sizes: 30″, 40″ and 60″. Capacities: 15-350 GPM. Hp range 1/2 – 3hp range. Single and 3 Phase power. Standard screen size, 40 mesh(425 microns).