RDG5 and MDG5 all-air web guide models, designed to fit many Mark Andy narrow web presses, easily fit in tight or limited spaces of Mark Andy 2200, 4120 and 4150 narrow web presses. All-air systems are powered entirely by low-pressure plant air (3 to 6 psi), simplifying installation with no electronic wiring needed. Users have reported significant decreases in maintenance time after switching to all-air web guides from electronic guides. A powerful two-stage air filter removes water and contaminants from supply air lines. All-air web guides can also be customized to fit any narrow web press and are backed by a 10-year warranty.