This document provides specifications for a 40x50x38 mm counter rotating fan model 04007B0021M manufactured by JMC Products. The fan has a rotational speed of 10,200 RPM at 12V, moves 10.8-13.2 CFM of air, and has a static pressure of 0.15-0.6 inches of water. JMC Products is a thermal solutions provider headquartered in Austin, Texas with manufacturing in Dong Guan, China and application centers in Europe and Taiwan.