The Department of Defense, through the Defense Logistics Agency (DLA Maritime - Portsmouth), is seeking sources for an Indefinite Delivery Indefinite Quantity (IDIQ) contract for various types of ventilation ducting over a five-year period. The procurement includes a range of ducting items, such as thermoplastic rubber hoses and insulated flexible ducts, which are essential for maintaining air quality and safety in naval applications, with specific requirements for durability, flexibility, and fire retardancy. Interested vendors must submit their capabilities and relevant information to Emily Kritzman at emily.kritzman@dla.mil, as this is a sources sought notice for market research purposes only, with no anticipated solicitation date at this time.