With our global installed base, we can make 60 years of innovation and experience in oil-less air technology for you. No matter the conditions, our ZR and ZT produce certified oil-free air that protects all your critical processes and products. The difference? The ZR is water-cooled, the ZT is air-cooled. With pressure levels ranging from 3.5 up to 13 bar, we maximize your energy savings with a choice of rotary tooth or screw technologies.