The Department of Homeland Security, specifically the U.S. Coast Guard, is seeking quotations for the purchase of filter cartridges to support the HC-27J aircraft. This procurement is aimed at acquiring four specific filter cartridges, identified by part number W038139 and NSN 2940-14-570-4009, which must have traceability to the Original Equipment Manufacturer, Air Liquide Advanced Technologies. The contract is classified under NAICS code 336413 and is set to be awarded on a firm-fixed price basis, with a closing response date of April 9, 2025, at 4:00 PM EST. Interested vendors should contact Debra Heath at debra.w.heath@uscg.mil for further details and must adhere to all specified requirements, including compliance with federal acquisition regulations.