Absolute vacuum services uk limited  supply vacuum parts/spares, service vacuum parts/spares, rebuild vacuum parts/spares, and provide vacuum spares/parts
for many vacuum pump manufacturers
  including Leybold Vacuum:

Absolute vacuum services supplies the leybold range of vacuum exhaust mist filters and condensate traps.

The traps are used for eliminating dangerous oil mist on pump outlets and the condensate traps prevent Condensate entering the pumps.The condensate traps also help backstreaming of oil in to the vacuum system.