... min Liquid storage bottle:2500ml*2 Vacuum adjustable range: 0.020.09MPa Electric Suction Apparatus is a beauty,high vacuum,high flow ... ,low noise,safe and reliable to operate.. SpecificationsMax Vaccum:≥0.09Mpa(680mmHg)Free air flow≥30L/minLiquid storage bottle:2500ml ... ×2Vacuum adjustable range: 0.020.09MPa(150680mmHg)Noise level:≤60dB(A)Input:250VAPower supply ...