Most smokers know how effective a tree perc can be in your bong. Now imagine having a tree perc at the end of your downstem. The 18mm to 14mm Tree Perc Downstem by DankStop allows your smoke to be filtered when it leaves the downstem. With 6 arms, this downstem diffuses your smoke plenty before it reaches your lips. Choose the size that fits your bong best. Having trouble finding out which length you need? Use our easy measuring guide.
CLEAR GLASS: This piece features sleek and clean clear glass that allows you to watch this concentrate rig or water pipe function. Clear glass allows you to watch the bubbles stack as your smoke/vapor percolates
MALE JOINT: This item features a male joint. It will fit all female jointed pipes and accessories of the same size.
18MM JOINT: This item features an 18mm joint size. It will fit other 18mm pipes/accessories of the opposite gender.
TREE PERC: When it comes to tree percs, the more arms it has the more diffusion that can happen, creating a larger separation of the smoke. The arms of the tree usually have slits on the side, and constructed with either a closed or open bottom. Smaller slits lead to smaller bubbles which results in more diffusion, filtration, and percolation