Temperature control flow element associated with the Apollo Command Module (Block I) Environmental Control System (ECS), measuring 9″ long and 1.75″ in diameter, with a green Airesearch label on the body: "Flow Element, Temp. Controlled, Part No. 22-C-682-2, Serial No. 2399-A, Date of Mfr. 7 21 65, Airesearch Part No. 828150-2, Project Apollo." The unit retains its white cord with four-pin connector. In fine condition.
