ModelPower supplyPower(kw)Pomp capacity(L/min)The separate capacity(L/min)Max negative pressure(kpa)WeightShape size(mm)Noise level(db)remark1DSA001-1220V/50hz0.63005-1615310mmX360mm63one chair2DSA001-2220V/50hz0.85506-1616310mmX360mm63Two chairNote: The dry pump style don't include separate cylinder.