Gravitron V2 (11" and 14") - Gravity Bong from Grav Labs

Grav Labs

    • Glass gravity bong (gravitron bong)
    • 11" and 14" Height
    • High Grade Glass
    • For Large: 19 mm funnel bowl
    • For Medium: 14 mm funnel bowl
    • 16mm Downstem
    • Highly Potent Hits
    • GRAV Decal
    This is the new versions of the Gravitron, but it still packs the same kind of punch you'd expect from a gravity bong. This new and improved version 2.0 Gravitron® boasts a fivefold increase in glass thickness and upgraded platinum cured silicone grommet for a tighter seal.
    • Medium (11"): The 14mm female ground joint now fits any 14 mm male bowl and the flange at the top of the neck makes lifting the bottle a breeze.
    • Large (14"): The 19 mm female ground joint now fits any 19 mm male bowl and the flange at the top of the neck makes lifting the bottle a breeze.
    The Gravitron creates big, efficient hits through gravity and pressure. Start by filling the base halfway with water. Then pack the bowl with dry herb and insert it into the joint at the neck of the bottle. Light the bowl and lift the bottle at the same time. Once the bottle is full of smoke, remove the bowl and place your mouth over the neck, inhaling as you lower the bottle. The Gravitron will give you a dense, pressurized hit with no loss of smoke in the process.

    Although it's the ultimate party pipe, the Gravitron is still considered one of the most efficient smoking devices on the market today.


    GRAV's namesake, the Gravitron, is the first glass on glass gravity bong/ever all-glass gravity bong, honing this classic technique down to a science that delivers seriously smooth and cool rips. The borosilicate glass is thermal-resistant, preventing the cracks and breakage associated with lesser materials. This inert glass also displays the best flavors while cooling hits down before inhalation. This clean and clear looking gravity bong is efficient, durable, and easy-to-clean all at once. 


    The GRAV Gravitron bong delivers highly concentrated rips, much larger and more potent than a pipe or joint. Users can enjoy the potency of an entire bowl of dry herb in one go if they please. As you light the bowl and slowly lift the inner bottle out of the outer water base, a magical force sucks smoke from the bowl into the chamber. That same force pushes it out of the downstem as you lower. This simple but effective smoking system has been cherished by connoisseurs for years, and now it's been perfected in GRAV's flagship pipe, the Gravitron.

    • Grav Labs gravity bong
    • 1 x Inner Bottle
    • 1 x Funnel Bowl
    • 1 x Outer Base

    Category: Gravity Bong

    Type: gravity bong

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