The filter tester market is expanding rapidly as industries increasingly prioritize air and fluid filtration systems for a range of applications. These systems are critical in maintaining safety, improving air quality, and ensuring compliance with regulatory standards in industries like automotive, healthcare, and manufacturing. The global filter tester market is projected to grow from USD 2.5 billion in 2021 to USD 4.1 billion by 2027, at a CAGR of 8.3% during the forecast period.