News

News

14

2023-03

commonly used air filter cotton introduction

Non-woven filter cotton: it has good stability, which is the most used filter cotton product in all filters. Efficiency and stability and other aspects are relatively balanced.

26

2022-07

ISO16890 air filter classification standard

ISO 16890 New Standard for Air Filter Classification (Classification of Air Conditioning Filters) The ISO 16890 standard differs from ASHRAE 52.2 and EN 779 in that its product class setting is determined by measuring and calculating the mass of particulate matter captured by the filter, known as the dust holding capacity.

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