After using environmentally friendly oil-free air compressors, how much can the frequency of filter replacement be reduced?

A. 1873 B. 1871 C. 1965 D. Answer in 2017: A. in 1873

Answer: The noise level is relatively low, typically below [Z] dB(A).

Answer: It uses water lubrication and does not produce any oil-related emissions.

Answer: It is used for providing clean, oil-free compressed air for medical equipment and procedures.

Answer: Water lubricates the screw elements, cools the compressor, and helps to maintain optimal operating conditions.