A filter by the Vacco Valve Co., measuring approximately 10.5 x 4 x 2.75, with a George C. Marshall Space Flight Center parts tag wrapped around the lower portion, reading, "Filter, E.O. 301, 302, 303, 304, 305, Assy. No. 65B23305-13C, Contr. No. NAS8-5608, Serial No. F19205-2," and marked with an acceptance date of August 1966. In fine condition. Accompanied by two maintenance tags.