Submersible roots blower The major specification of GWB typeBore size : 1.5″ ~ 5″ (40~125A)Air flow capacity: 1.0~13.7 (m^3/min)1.0K~13.7K (liter/min)Maxi Pressure : 6000 mmAq(0.6 kgf/cm^2)(58.8kPa)Horse power: 1 ~ 20Hp (0.75~15Kw) FeaturesNo need to add soundproofing devicesSuper silentLonger endurance performance chart