ASHRAE 52.2 specifies the method of testing air-cleaning filters for ventilation air, providing Minimum Efficiency Reporting Values (MERV) to rate filter performance by particle size and removal efficiency.
ASHRAE 52.2.pdf

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Author:Jason Peng
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Cleanroom Engineering Technology Manager of Deiiang Company.
Product R&D Manager of GDC Inc. Cleanroom Equipment Manufacturing Company.
Executive Director of Guangdong Cleanroom Industry Association of China.
Engaged in R&D of related products for 15 years, with rich relevant technical experience
- 2026-07-26 | Visits:
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