A lead free brass adaptor to attach any 1.5" bsp male thread.
Simply use a T500 male condenser column nut to attach this adaptor to a distilling lid with a 48mm hole.
This then gives you a 2" tri-clamp fitting on top of your distillation lid in which you can attach any 2" tri-clamp fitting to.

Compatible with:

1 1/2” Thread Adaptor | Male – Triclover
DN40 adaptor
Pure Distilling Condenser Extension
100MM tri-clamp extension