The Danfoss 134B7134 Coated Internal Fan B2 Frame is a high-quality HVAC component designed to provide efficient air circulation within compatible Danfoss compressor and drive systems. It operates by generating consistent airflow to dissipate heat and maintain optimal operating temperatures for internal components. Commonly used in HVAC compressors, variable frequency drives, and refrigeration systems, this internal fan helps prevent overheating and extends equipment life.