The Delta BFB04512HHA-DV52 is a high-performance blower, perfect for applications that require efficient cooling in a compact size. Measuring at 45x45x10mm, this blower is designed to fit in tight spaces while providing optimal air flow. With a 12V power supply and PWM control, this blower allows for precise fan speed adjustment based on your specific needs.Equipped with a speed sensor (Tach), this blower ensures accurate monitoring of fan rotation speed, enabling real-time feedback on performance. Whether it's cooling electronic components, ventilation systems, or reducing heat buildup in confined spaces, the Delta BFB04512HHA-DV52 blower is a reliable solution that delivers both power and control.