Grace Glass Precooler wit Honeycomb Percolator green 18.8
Boost pre-cooler II 18,8
Weedstar Precooler Extreme 5mm green
Precoolers for glass bongs with 14.5mm ground joint. The 14.5mm size in this case relates to the connection size of the bong. Please be aware that there are some pre-coolers for glass bongs with different connection sizes on the upper and lower side - for example, they might adapt a bong with connection size of 14.5mm to a bowl with an 18.8mm joint - the exact specifications can be found in the product characteristics or the item description.
Precoolers for bongs with joint size of 18.8mm. The connection size of 18.8mm relates to the respective part of the bong, which means the ground joint where you insert the precooler. Please note that there are also other pre-coolers with adapter joints, such as for example 18.8mm to 14.5mm - the exact data can be found in the product characteristics or the item description.
If you get a sore throat smoking a regular bong, try a pre-cooler. Easy to use and makes smoking really mild.
High Quality Pre-Coolers by Ehle.
Weed Star Precoolers
Glass bong precoolers by Weed Star. Also suitable for other bongs with standard joint sizes of 14, 5 and 18, 8 mm
Bong ash catchers. They filter out lots of ash and burnt stuff, keep the bong clean and make smoking really mild. Especially helpful with percolator bongs!