Inlet Desiccant Trap IDT20K: Use when pumping limited quantities of water vapour at high pumpings speeds to a low vapour pressure.

• Inlet Chemical Trap ITC20K: Protects the pump against chemically active gases
• Inlet Dust Filter ITF20K: Protects the pump against abrasive dust

Inlet Oil Vapour (foreline) Trap FL20K: Use on a clean pumping system to prevent backmigration of pump-oil vapour into the vacuum system.