18mm to 14mm Tree Perc Downstem
Add more diffusion and upgrade your bong!
A tree perc is one of the most popular and well-known types of percolators on the market today. Now you can add a tree perc to almost any bong that uses a downstem! This 18mm to 14mm tree perc downstem allows your smoke to be filtered several times while being forced through the downstem. The bottom of the downstem has six separate arms that each contains small slits to maximize diffusion. Be sure to choose to correct size downstem from the drop-down above. The downstem length is measured from the bottom of the ground joint to the bottom of the downstem.
Joint: 18mm Male to 14mm Female
- Tree Perc Downstem
- Available In Multiple Lengths
- Holds 14mm Male Bowls
- Clear Glass
- Male Joint
- 18mm Joint
- Tree Perc