6 Inch Diffused Downstem | 18mm to 14mm

$6.99

This replacement glass downstem measures 6 inches (153mm) in length.

It’s made from high-quality borosilicate glass and has a 6-slit design at the bottom, which helps smooth out your hits.

Borosilicate glass downstem with 6-slit diffusion
Borosilicate glass downstem with 6-slit diffusion

The downstem is 18mm to 14mm, meaning it fits into a bong with an 18mm (or 19mm) female joint, and the inside part holds a 14mm (or 14.5mm) male bowl.

Bong Downstem Sizes
Bong Downstem Sizes

If you’re unsure about the gender or size of your joint and herb bowl, or don’t know the length of downstem you need, please check out our article—”What size downstem do i need?” It gives a simple, step-by-step guide to help you avoid buying the wrong one.