Compressed air preparation equipment with modern modular design, supplemented by additional equipment: innovative and high-performance filters, microfilters, membrane dryers, active carbon filters, pressure regulators, battery pressure regulators, filter regulators, mist lubricators and portable maintenance units with multiple options for filtration grade, purge valves, pressure ranges and vessel material. Additionally, with distributors, distributors with non-return valves, 3/2-way solenoid shutoff valves, ball valves with bleed and starter valves. Two sizes with connection threads from G1/4 to G1.