... Noiseless Oil Free Air Compressor TP104 Noiseless Oil Free Air CompressorModel;TP104voltage frequency 220-240/110,50/60Power;4400W displacement;840L/minSpeed;1400rpm Noise;58dB(A)/40"Air ... ×52×88CM Application: University laboratory, chromatographic analysis, pharmaceutical, medical and dental, food processing, construction, chemical, machinery, environmental protection, meteorology, hydropower, ...