ISO 29463 originates from EN1822, which defines EPA, HEPA and ULPA filters commonly used in industry. While ISO 29463 maintains the classification of EPA, HEPA and ULPA.But replace E10-E12, H13-H14 and U15-U17 with the following 13 filter levels. The ISO 29463 can't replace EN 1822, EN 1822 will continue to be valid.

In today's world, with increasing concerns about air quality and its impact on health, the need for effective air filtration systems has become paramount. ISO 16890 stands out as a crucial standard in this regard, providing a framework for evaluating the performance of air filters. Let's delve into

ISO 11155-1:2019 is an internationally recognized standard that specifies test methods for automotive air conditioning filters, also known as cabin air filters. This standard plays a critical role in ensuring the quality and performance of these filters, which are essential for maintainISO 11155-1:2019 is an internationally recognized standard that specifies test methods for automotive air conditioning filters, also known as cabin air filters. This standard plays a critical role in ensuring the quality and performance of these filters, which are essential for maintaining air quality in vehicles. This article provides an in-depth interpretation of ISO 11155-1:2019, explaining its key components and implications for the evaluation of automotive air conditioning filters.

The need for clean air and water has never been more apparent. During the New Crown epidemic, indoor air quality became a top concern, especially as schools, offices and businesses reopened. Increased consumer awareness drove demand for better indoor air filtration systems. As a result, more people are installing air purifiers in their homes, while many are returning to reopened schools and offices with more modern HVAC systems.

HEPA and ULPA filters are both high-efficiency air filters that are similar in many ways, but there are some key differences that set them apart in terms of capturing airborne particles.