What did Redi and Pasteur do to discredit spontaneous generation?

IF I remember correctly they conducted the experiment with three jars with a piece of meat in each. 1st jar had no cover, 2nd was covered with a piece of gauze, and the 3rd was sealed airtight with a lid. The first jar had flies on the meat, the 2nd had flies on the gauze (attracted by the smell), and the 3rd had no flies on or around it. This disproves spontaneous generation because it showed that the flies were attracted by the smell in #1 and #2, and in #3 there were no flies in the jar, that signified that flies did not generate from the meat but from the outside world... And once science became further developed they came to realize that flies and everything else breed and have offspring, they do not come from lifeless objects. This might not be both of their doing but someone did it.