I am attempting to make a simple item sorter with Item transfers, however they appear to be allowing items through randomly I am using FTB Revelation 2.2.0
Image included is of an item transfer made to filter blaze powder allowing zombie flesh to pass through
https://puu.sh/AX6ro/dd52aac59b.png

Same here. Playing the Exoria pack.
Item transfers don't filter.

Can't reproduce