An inline liquid nitrogen cold trap fitted in the pumping line between the chamber and the pump. It stops volatile material from entering the mechanical pump and pump oil from reaching the chamber, and it connects from KF16 to KF50.
| End Connection | KF16, KF25, KF40, KF50 |
| LN2 Volume | 0.7 L, 1.6 L |
| Refill Time | 0.7 L (4" trap diameter) 8 h, 1.6 L (6" trap diameter) 12 h |
| Overall Height | 290 mm, 360 mm |