Finally, no more measuring. Grav (formerly Grav Labs) has released an innovative new downstem that no longer requires guessing at the length you need for a proper fit. The Grav adjustable downstem will fit any 18mm female connection and adjusts from 4.5″ to 6″. Great for swapping between several bong downstem pieces too!
- Finally, No More Measuring
- Adjusts from 4.5″-6″
- Exterior Joint: 18mm
- Diffused Downstem
- Grav Decal
- Bowl Joint: 14mm
- Length: 4.5″-6″
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