The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support Mechanics, is soliciting proposals for the repair and modification of air purification filter units. This procurement aims to ensure the operational efficiency and reliability of air purification equipment, which is critical for maintaining air quality in various military environments. The opportunity falls under the NAICS code 333413, focusing on industrial and commercial fan and blower and air purification equipment manufacturing. Interested vendors can reach out to Leigh Catchings at 717-605-2864 or via email at LEIGH.CATCHINGS@NAVY.MIL for further details regarding the solicitation process.