Details- A special replacement lid to turn regular size and wide mouth mason jars into a double percolated bubbler/bong. A 14mm downstem is required for use.

Instructions- Fill your mason jar with water and screw the top back on with the replacement lid. Insert your downstem and pour a small amount of additional water into the main tube until water begins to drip down into the jar area to fill the second percolator.

Printing instructions- For both the wide mouth and regular mouth versions, the file should be scaled to 107mm tall. (VERY IMPORTANT- DO NOT PRINT WITH SUPPORTS)