A glycerin coil is a freezable liquid that stays fluid, designed to cool your pipe’s airflow. As smoke passes through, it’s chilled, providing a ...

Volcano percolation filter
Volcano percolation filter
A glycerin coil is a freezable liquid that stays fluid, designed to cool your pipe’s airflow. As smoke passes through, it’s chilled, providing a ...
A glass percolator in a water bong improves smoke filtration and cooling.
Reduce temperature up to 100F, increase humidity by up to 50%, and maximize your efficiency.