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GRAV Original Gravitron Replacement Downstem Collar
Replace that thing that broke with the Gravitron Replacement Collar! This replacement downstem from Grav is exactly what you need to get your favorite Gravitron Gravity Bong up and running again. The Gravitron Replacement Downstem Collar features a 16mm male joint that fits into the inner bottle on both sizes of Grav’s namesake Gravity Bong* (this accessory is not compatible with the Version 2 Gravitron). The collar then works to hold the 12mm Gravitron bowl slide in place on the top. The Gravitron Replacement Downstem is an OEM (original equipment manufacturer) replacement part designed specifically for use with the Version 1 Gravitron Gravity Bong.
GRAV Original Gravitron Replacement Downstem Collar Features:
- Fits Orignial Version 1 Gravitron (Pre 04/21)
- High Quality Borosilicate Glass
- OEM Replacement Part
Intended for legal use only.
Brand
GRAV

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✔ Same Day Shipping / Discreet Plain Packaging
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✔ Hassle Free Returns / Refunds
✔ One Of The Most Generous Rewards Programs In The Industry
✔ Quick Response to All Inquiries
✔ All Orders Ship From Our California Warehouse
❤️ Share this item and earn 100 Bong Hit reward points
Replace that thing that broke with the Gravitron Replacement Collar! This replacement downstem from Grav is exactly what you need to get your favorite Gravitron Gravity Bong up and running again. The Gravitron Replacement Downstem Collar features a 16mm male joint that fits into the inner bottle on both sizes of Grav’s namesake Gravity Bong* (this accessory is not compatible with the Version 2 Gravitron). The collar then works to hold the 12mm Gravitron bowl slide in place on the top. The Gravitron Replacement Downstem is an OEM (original equipment manufacturer) replacement part designed specifically for use with the Version 1 Gravitron Gravity Bong.
GRAV Original Gravitron Replacement Downstem Collar Features:
- Fits Orignial Version 1 Gravitron (Pre 04/21)
- High Quality Borosilicate Glass
- OEM Replacement Part
Intended for legal use only.
Brand
GRAV

Reviews
There are no reviews yet.
Only logged in customers who have purchased this product may leave a review.
Questions and answers of the customers
There are no questions yet. Be the first to ask a question about this product.
Buy With Confidence:
✔ 420% Satisfaction Guarantee – No BS, No Excuses, Just Results
✔ Same Day Shipping / Discreet Plain Packaging
✔ Transparent & Simple No-Hassle Low Price+ Guarantee
✔ Hassle Free Returns / Refunds
✔ One Of The Most Generous Rewards Programs In The Industry
✔ Quick Response to All Inquiries
✔ All Orders Ship From Our California Warehouse
Show us what you think, with an Emoji reaction.
❤️ Share this item and earn 100 Bong Hit reward points.
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