Heisenberg pre-cooler 3-arm 14.5

The Heisenberg pre-cooler serves to pre-filter the smoke even before it enters the bong itself.

This filters out quite a bit of dirt and smoke hardness and protects the pipe itself, which therefore needs to be cleaned much less frequently.

This effect is further enhanced by the 3-armed percolator inside the HNBG cooler, which reduces the smoke considerably and thus prevents the notorious coughing fits. prevent the notorious coughing fits.