POLIVAC B4/SLT 30 2 It is the basic model of the series and it is equiped with an oil bath pump. It is suitable for the operating theatre and other medical suction interventions. POLIVAC B4/SLT 30 1 It is the same as the model POLIVAC B4/SLT 30 2, but with 1 bottle 4 lt. only. POLIVAC B4/SLT 30 2-EXP It is the basic model of the series and it is eqioped with a piston pump. It is suitable for the operating theatre and other medical suction interventions. POLIVAC B4/SLT 30 2-EXP “TROLLEY” It is the same as the model POLIVAC B4/SLT 30 2-EXP, but with a shelf (cm 40 x 40) for another unit and a special space for the accessories. POLIVAC B4/SLT 30 1-EXP It is the same as the model POLIVAC B4/SLT 30 2-EXP, but with 1 bottle of 4 lt. only. POLIVAC B4/SLT 30P-EXP It is the portable model of the series. It is suitable for the operating theatre and other medical suction interventions. POLIVAC B4/SLT 50E It is the most complete model of the series for the operating theatre; it is equipped with two independent suction-groups: the main one and the anaesthesia one. POLIVAC B4/SLT 30 1VE-EXP It is the most suitable model both for the operating theatre and other medical suction interventions as well as the Vacuum-Extraction procedures. It is equipped also with the vacuum regulator pedal switch. POLIVAC B4/SLT 30P VE-EXP It is the portable model, suitable both for the operating theatre and other medical suction interventions as well as the Vacuum-Extraction procedures.