Bong Downstem | 8 Slit Diffusion | Castle Glassworks
A green glass downstem with the Castle Glassworks logo lies horizontally on a gritty, industrial surface, illuminated by soft natural light streaming through iron bars in the background. The downstem features intricate details and 8 slits, casting subtle green reflections on the surrounding area.

increased filtration

The 8-slit design maximizes filtration by breaking smoke into smaller bubbles, creating cooler, smoother hits that are gentler on your throat and lungs. This downstem delivers a consistently enjoyable smoking session every time. Thanks to its extra filtration and open-end design, the 8-slit downstem offers smooth hits without sacrificing airflow.

Free shipping and returns
A sleek, purple glass downstem with the Castle Glassworks logo is positioned vertically against a rugged, rusted metal frame. The contrast between the downstem's smooth, polished surface and the textured, corroded background highlights the downstem's intricate design, which includes 8 slits at the bottom. The scene is dimly lit, creating a moody, industrial atmosphere.

Designed with everyone in mind

Whether you’re a long-time smoker or just getting started, the 8-Slit Downstem from Castle Glassworks is made to elevate your smoking experience. Crafted for smooth hits and consistent performance, this essential accessory uses eight slits to cool and filter your smoke. Don’t miss out on the perfect upgrade for your glass collection—try the 8-Slit Downstem today and feel the difference.

Product details

Universal Fit

Our downstems are compatible with all Castle Glassworks beakers, making it easy to mix and match your favorite Castle accessories without worry.

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