Quiet Air Source is an indispensable device for science labs in elementary schools, middle schools, high schools and colleges. It supplies compressed air to air tracks, air tables and many other pneumatic instruments. The output is adjustable for optimum pressure required by the experiments. The 250W motor produces a clean air variable output with a flow rate of 0 - 35 m3/h, under 0 - 6.0 kPa of pressure. 8x8x13.