The Department of Defense, through the Naval Research Laboratory (NRL), is seeking quotations for water purification services, specifically for the maintenance and operation of water purification systems at their facility in Washington, D.C. The procurement includes a range of items such as filters, UV lamps, and components necessary for a Preventive Maintenance Agreement, which outlines service visits for replacing consumables, inspecting systems, and ensuring optimal operation of the water purification systems. This opportunity is critical for maintaining the functionality and reliability of essential water treatment systems used in various research applications. Interested small businesses must submit their technical and price quotes via email to Elizabeth Harley at elizabeth.c.harley.civ@us.navy.mil, with the submission deadline specified in the solicitation.