dummy nozzle/with hole

thingiverse

The nozzle dummy is a crucial component in various industrial and commercial settings. Its primary function involves regulating airflow and pressure in systems that require precise control over gas flow rates. In many scenarios, the nozzle dummy serves as a safety device, helping to prevent damage from excessive pressure or uncontrolled airflow. It also plays a significant role in optimizing system performance by ensuring that gases are dispersed efficiently throughout the system.