The HF3FD/012-HTF is a type of egress system manufactured by Hongfa. It is a rapid roll up door designed for high frequency operations and suitable for use in industrial, commercial, and retail applications. The HF3FD/012-HTF is constructed with a steel curtain that is pre-painted with a white primer and a powder coated aluminum frame. The door is powered by a single phase motor, featuring an integrated control panel, adjustable limit switch system, and door sensor. It is suitable for applications up to 12 feet wide, 16 feet high, and can be operated with an open-close-stop system. The HF3FD/012-HTF is an efficient, reliable, and user friendly door system ideal for high frequency applications.