The GRAV 14mm Fission Downstem 4.5″ delivers smooth, filtered hits through precision-engineered fission percolation technology. This downstem works with any 14mm beaker or straight-based water pipe with an angled joint, making it one of the most versatile bong downstems you can add to your collection. GRAV builds these with tungsten rods during the glassblowing process to create exceptionally smooth edges that resist clogging and maintain consistent airflow.
GRAV 14MM FISSION DOWNSTEM 4.5″: FEATURES
- Fission hole percolation breaks up smoke into fine bubbles for superior water filtration and cooling
- Tungsten rod construction creates perfectly smooth edges that prevent resin buildup and maintain clean airflow
- Universal 14mm male joint fits any 14mm female jointed beaker or straight tube water pipe with angled downstem positioning
- 4.5″ length provides optimal water submersion depth without sacrificing portability or taking up excessive space in your piece
SPECIFICATIONS
| Brand | GRAV |
| Joint Size | 14mm Male |
| Length | 4.5″ |
| Percolation Type | Fission Holes |
| Compatibility | 14mm Female Angled Joints |
| Construction Method | Tungsten Rod Crafted |
| Made In | USA |
WHAT’S IN THE BOX
- GRAV 14mm Fission Downstem 4.5″
WHY CHOOSE IT?
- GRAV’s tungsten rod crafting technique produces smoother, more durable edges than standard downstem manufacturing methods
- Fission percolation delivers noticeably smoother hits compared to basic open-ended downstems
- Universal 14mm sizing means you can upgrade multiple water pipes in your collection with one replacement part
- 4.5″ length works in most standard beakers and straight tubes without modification
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