... 4.long service life 5.low repair rate GX air compressor stuffing pump for breathing oxygen supplies possesses distinguishing features ... , low voice, small, dynamic and simple portability. This air compressor stuffing pump changes the traditional design concept with long life ... 0.75KW, domestic lighting power.2,Coaxial 4 level air compressor system.3,Cooling system:water cooling4,Air supply: 90L/MIN5 ...