GRAV Wobble Bubbler
GRAV
The GRAV Wobble Bubbler is a compact, 5.25-inch glass piece designed by Micah Evans. Featuring a distinctive rounded base with a low center of gravity, this device offers a 360-degree rotation that acts as a spill-resistant safeguard against accidental bumps. Constructed from durable borosilicate glass, it incorporates a fixed 4-hole downstem for consistent water filtration and an angled straw mouthpiece to prevent splash-back. Its 14mm female joint provides compatibility with various standard male accessories.

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Last Update: July 28, 2026

The GRAV Wobble Bubbler is a compact, 5.25-inch glass piece designed by glass artist Micah Evans for everyday use. Constructed from heavy-duty borosilicate glass, this minimalist device appeals to users seeking a durable and structurally unique desktop option. What sets this design apart is its distinctive ball-shaped base, which provides a low center of gravity. This allows the device to safely rock and perform a full 360-degree rotation when nudged, without tipping over. An ergonomic lip separates the lower water chamber from the upper glass mushroom dome, serving as a natural hand grip while enhancing the overall structural stability.
360-Degree Spill-Resistant Base
The signature weighted, rounded base allows the piece to rock, sway, or spin back to an upright position. This structural choice maintains stability and acts as a spill-resistant safeguard against accidental bumps on flat surfaces. By combining a wide bottom with a low center of gravity, the device minimizes the risk of tipping over during standard daily operations.
Submerged 4-Hole Fission Downstem
Internally, the device utilizes a fixed, curving hook downstem equipped with a 4-hole percolator. This component is specifically engineered to remain fully submerged even when the device is tilted or wobbling. This continuous submersion ensures consistent water filtration and diffusion, allowing vapor to travel efficiently through the water chamber before reaching the upper sections.
Angled Straw Mouthpiece
The integrated mouthpiece features an angled straw orientation that provides a direct, focused channel for airflow. This design choice inherently limits splash-back, preventing water from escaping the chamber and reaching the user. Above the water line, a transparent mushroom-shaped dome generates a visual swirling effect as air travels upward from the lower base.
14mm Female Joint Compatibility
Equipped with a 14mm female joint positioned at a 45-degree angle, the device is built to accommodate standard accessories. This configuration enables seamless compatibility with a wide range of 14mm male inserts and adapters, giving users the flexibility to switch out components based on their specific filtration or material preferences.
What’s in the box?
- 1x GRAV Wobble Bubbler
- 1x 14mm Male Borosilicate Glass Cup Bowl
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Tags: 14mm Joint 360-Degree Rotation 4-Hole Percolator 45-Degree Joint Angled Mouthpiece Borosilicate Glass Bubbler Compact Profile Female Joint Fixed Downstem Includes Glass Bowl Made of Glass Micah Evans Design Round Base Single-Chamber Spill-Resistant Water Filtration
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