Minimum efficiency is the lowest efficiency among the initial efficiency, discharged efficiency and the lowest efficiency throughout the loading procedure of the test.
Minimum efficiency is the lowest efficiency among the initial efficiency, discharged efficiency and the lowest efficiency throughout the loading procedure of the test.
(1) Use of primary air filter: filter section in general ventilation air treatment equipment or primary filtration of fresh air system. Features: The filter material can be replaced by itself, and the
HEPA filters are designed to purify air in the absence of sources. In manufacturing clean rooms they are used to remove particles as small as 0.2 microns efficiently but two factors need to be noted t
