This stage 2 fan is manufactured with standard structural dimensions and performance design, serving as a direct replacement for part number 529731001. It adopts a two-stage fan structure to significantly improve airflow output, meeting the blowing demands of specified jet fan blower equipment. Made of high-strength engineering plastic, the fan features good durability and impact resistance for long-term outdoor use. The precision-molded structure ensures firm assembly and smooth operation, effectively boosting blowing power. It is a practical replacement accessory for damaged, cracked or worn stage 2 fans, quickly restoring normal airflow and blowing function of the blower.