Definitions for "Media migration"
Carry-over of fibbers from filter and/or separator elements or the other filter material into the effluent. Less definitive than fibre migration and is quantitative.
Carry over of particles or contaminant from the filter or other filter materials into the clean side of the air flow. ( 070)
It is the release of the filtration media (fibers or other material of which the filter is constructed) into the filtrate.