The ‘Moonball’ bubbler from ‘Blaze Glass’ features a very interesting smoke path that crosses the double wall of the balloon. By interacting with the drum percolator in the water chamber, a large amount of water bubbles are produced, which creates an excellent visual effect. In addition, percolators provide cooling and smoke filtering. The bubbler is handmade from heat resistant borosilicate glass. It is very robust with its 5 mm wall thickness. Due to the heavy glass stem, the percolator pipe is absolutely safe.