MIL-E-24759 Educator Assembly, In-Line, 90 Gallons Per Minute, Portable Aqueous Film-Forming Foam (Afff) Liquid ConcentrateThis specification covers the requirements for 90 gallons per minute (gal/min), 1-1/2-inch portable in-line eductors used with Aqueous Film-Forming Foam (AFFF) liquid concentrate for fire fighting.