OIl For Vacuum Pumps Royal-2 RD - 4 / 6 / 8 Viscosity 10mm2 / Sec at 40 ¡æ DV - 04 Vacuum pump oil 1/4 litre bottle Part No. 9881842 DV - 05 Vacuum pump oil 1/2 litre bottle Part No. 9881844 DV - 06 Vacuum Pump oil 1/2 litre bottle Part No. 9881843