Shriver Filter Press Pneumapress Filter offers solutions to recurring, pressure-filter issues. It uses a remarkably simple filtration system which both dramatically improves solid and filtrate production, as well as reduces costs. In a test measuring the production rates of automatic filter presses, it was shown that the Pneumapress can exceed production rates by more than 1000% that of the competitor. Pneumapress Filters clean design creates highly efficient solid/liquid separation, greater availability, easier operating and simpler maintenance