... noise 3)100% oil free 4)1.5Hp, 60L tank 5)for 2~3pcs dental units Piston Type Dental Silent Oil Free Air ... special rubber feet, reduce vibration during operation.3, PURE AIR FLOW. Greeloy air compressor, it is oil free design, no lubrication ... HAS DONE ANTI-RUST TREATMENT, make sure pure outlet air flow for medical equipment.APPLICATIONS: Dentistry; Medical; Laboratory; Pharmacy; Food Fermentation ...