Tenders for Supply of Two Stage Vacuum Pump 1/2 Hp, 230 V, 4.5 Cfm Single Phase Suitable For Ac Unit With Partial Pressure 0.2 Pa And Total Pressure 15 Micron Similar To Value Make Model Ve 245 Nd Or Infinity Make Model Hvac - Mm 03 Or Equivalent. Make Acceptable: Value / Infinity / Rothen Berger / Robinair / Aitcool / Truvac