The Department of Defense, through the Defense Logistics Agency (DLA Troop Support), is seeking proposals for the procurement of cartridge filters, specifically under the solicitation titled "42--CARTRIDGE,FILTER,AI." This opportunity is set aside for small businesses and falls under the NAICS code 333413, which pertains to the manufacturing of industrial and commercial fan and blower and air purification equipment. The cartridge filters are critical for fire, rescue, and safety applications, ensuring environmental protection and operational efficiency. Interested vendors should direct any inquiries to the buyer listed in the solicitation document via email at DibbsBSM@dla.mil, and further details can be accessed through the DLA's solicitation portal.