The GRAV 14mm Fission Downstem 3.3″ brings serious diffusion to your beaker or straight tube water pipe. This downstem works with any 14mm female angled joint and delivers smooth, filtered hits through its signature fission hole design. The fission holes break up smoke into smaller bubbles as it passes through the water, cooling and filtering each draw for cleaner sessions.
GRAV builds this downstem using a tungsten rod while the glass is hot, creating smooth edges inside each fission hole that resist resin buildup and keep airflow consistent. At 3.3 inches, this downstem fits most standard beakers and straight tubes with angled joints. The 14mm male joint creates a secure connection to your water pipe’s female joint, and the open bottom design allows for easy cleaning. If you’re running bong downstems that don’t diffuse properly or clog constantly, this piece solves both problems with better engineering and quality borosilicate glass construction.
SPECIFICATIONS
| Brand | GRAV |
| Joint Size | 14mm Male |
| Length | 3.3 inches |
| Percolation Type | Fission Holes |
| Compatibility | Angled 14mm Female Joints |
| Material | Borosilicate Glass |
| Made In | USA |
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