The Broan FIN-180P is a high-quality ventilating fan designed for optimal air circulation. This in-line (single-port) unit boasts a 6-inch diameter duct size, ensuring efficient ventilation in any space. With its sleek design and reliable performance, this fan is the perfect addition to your home or office. Featuring two speeds, the FIN-180P provides customizable airflow options to suit your needs. The first speed delivers an impressive 180 CFM (cubic feet per minute), while the second speed offers a slightly lower but still powerful 130 CFM. These airflow capacities make it ideal for maintaining fresh and clean air in medium-sized rooms. With an efficacy of 6.4 CFM/W on the first speed and 7.9 CFM/W on the second speed, this fan ensures energy efficiency without compromising performance. It efficiently removes stale air and helps reduce humidity levels, preventing mold and mildew growth. The Broan FIN-180P also features a durable construction