The Department of Defense, specifically the Department of the Navy, is seeking qualified vendors for the procurement of air purification filter units, which are essential for the repair and modification of existing systems. This presolicitation opportunity is set aside for total small businesses, in accordance with FAR 19.5, emphasizing the government's commitment to supporting small business participation in federal contracting. The air purification equipment plays a critical role in maintaining air quality and operational efficiency within military environments. Interested parties should reach out to Leigh E. Catchings at NAVSUP Weapon Systems Support via email at leigh.catchings@navy.mil or by phone at (717) 605-2864 for further details and to express their interest in this opportunity.