Originally Posted by Delta 764

The puffer machines were these machines that fired jets of air on passengers to release and detect explosives and illegal drugs that someone could be hiding. However, dust and humidity severely impacted the reliability and performance of these machines, and sometimes these machines falsely detected explosives/drugs. Thus, the project was scrapped well before they were rolled out on a nationwide scale. ABQ once had two GE EntryScan puffer machines at the rightmost lanes until 2009.