The Leading Trade Show for Compressed Air and Vacuum Technology or ComVac 2021, was held in Hanover, Germany from April 12 to 16 as part of the world's largest international exhibition of industrial innovations HANNOVER MESSE 2021. Industrial automation systems, pneumatic systems, eco-friendly exhaust air purification systems - all of them are an integral part of efficient and sustainable production and "smart" enterprises of the future and they all depend on advanced vacuum-air and compressor solutions that are environmentally friendly, safe, reliable and versatile. Special attention should be paid to the GAS compressor equipment stand, where a wide range of compressor equipment and compressed air preparation systems was presented.