Product Name: Silent 30L-750W Oil-Free Air Compressor Model NO.: SY750-30L Refrigerant Type: Air Compress Level: Single-Stage Structure Type: Closed Type Cylinder Position: Vertical Cylinder Arrangement: Duplex Arrangement Cooling System: Air Cooling Lubrication Style: Oil-free Motor: Copper Line Trademark: YUNMEI Transport Package: Carton Packing Specification: 0.09CBM Origin: China HS Code: 8414804090 Product Description Feature:- Air pump up to 3,000hours work time, the longest life air compressor in the world.- Low noise and vibration air pump,keep slient work enviroment, make good mood to both dentist and patient.kill patient's nerves.- Famous brand water filter,dry and clean air,offer green air to avoaid cross-infection.- Air tank have internal oxidation-proofed precess,360° protect air pump and offer hygiene air even dentist forgot to drain away the water.- Instead of plastic pipe, top quality metal pipe to avoaid explose.- Rubber Foot keep the air compressor away from wet place and reduce vibration.