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The ASHRAE Standard 52.2 standard test method gave us the “MERV” found on many filters. This article shares some of the standard’s history, explores what you can and can’t do with it and explains the recently added particulate matter (PM52.2) efficiency calculation.
Citation: ASHRAE Journal, Vol. 62, no. 12, December 2020
Product Details
- Number of Pages:
- 4
- Units of Measure:
- Dual
- File Size:
- 1 file , 140 KB
- Product Code(s):
- D-AJ20Dec01
