Heavily double-bagged filter element for the LM, probably for Ground Support Equipment (GSE).
Grumman label identifies part numbers and date.
Difficult to photograph through the bags, the ribs of the filter can just be seen in the middle
This item came from the Charles Bell estate. Bell was a NASA employee at the Kennedy Space Center and a lifelong collector of space artifacts.
Historic Space Systems at www.space1.com
Artifacts FOR SALE