Designed for projects that requires cooling or ventilation; or as a replacement fan for various products. Terminal connectors, includes optional wire-leads cord adapter. For same kit with plug cord and grilles, see model HS1238A-X. UL-certified fan with dual-ball bearings has a lifespan of 67,000 hours. Can be mounted in any direction. High Speed: This model is designed to maximize airflow and can be too loud for some applications. 120 x 120 x 38 mm ( 4.7 x 4.7 x 1.5 in. ) 100 to 120V AC Airflow: 110 CFM Noise: 47 dBA Speed: 2600 RPM