Designed for heat sink and heat exchanger electronic cooling applications in harsh military, aerospace, and industrial environments, MIL-XTM (Extreme Performance Series) delivers airflow capacity of 450 cfm @ 1 in. iwg or 350 cfm @ 2 in. iwg. Multiple fans may be stacked to meet high-flow requirements. Along with advanced composite propeller material, standard efficiency and reliability features include shockproof construction to Mil-S-901, reverse polarity protection, and overvoltage protection.