3 Inch Diffused Downstem | 18mm to 18mm

This 3.15-inch (80mm) replacement glass downstem is crafted from durable, high-quality borosilicate glass. Featuring a 6-slit diffuser at the base, it enhances filtration for smoother, cooler hits.

Ideal for water bongs with an 18mm female joint size, it fits a 18mm male bowl on the interior side, making it a versatile addition to various setups.

If you’re uncertain about the gender or size of your joint and herb bowl, or aren’t sure what downstem length you need, be sure to read our article, “What size downstem do I need?” It provides an easy, step-by-step guide to help you avoid making the wrong purchase.