MEDICAL AIR COMPRESSOR, , CLEAN AIR SOURCE:, VS-20 PROVIDES EXTREMELY DRY/CLEAN COMPRESSED AIR. ITS 4-STAGE FILTRATION SYSTEM CAN EFFECTIVELY FILTER 0.01?M PARTICLES. IT CAN EVEN REMOVE WATER MOLECULES WITH SMC POLYMER MEMBRANE DRYER., , SILENCE STANDARDS:, VS-20 IS EQUIPPED WITH AN IMPORTED ULTRA-SILENT COMPRESSION PUMP, CREATING A FOUNDATION FOR ULTIMATE SILENCE. THE NOISE REDUCTION TECHNOLOGY CAN EFFECTIVELY REDUCE THE HIGH-FREQUENCY AND LOW-FREQUENCY NOISE GENERATED BY THE AIR COMPRESSOR DURING OPERATION.