Terp Twister Carb Cap
Hemper
The Terp Twister Carb Cap by HEMPER is a premium borosilicate glass accessory designed for use with flat-top quartz buckets. Engineered with dual-directional airflow and an extended tip, it creates a powerful vortex that continuously moves concentrates away from cooler edges into the center. This mechanism ensures even heating, prevents charring, and maximizes flavor extraction without wasting any material. Its ergonomic rounded top allows for an airtight seal, making it an essential addition to any setup.

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C$28.02 Converted from USD 19.99 Go to shop ↻ Oct 26, 2026, 2:23 p.m.
Terp Twister Carb Cap
Out of stock ↻ Oct 26, 2026, 12:31 a.m.Learn More
Last Update: September 25, 2026

The Terp Twister Carb Cap is a premium borosilicate glass accessory engineered to maximize heat retention and extract the full flavor profile from botanical concentrates. Designed specifically for use with flat-top quartz buckets, this high-air-volume cap features an ergonomic, bubble-like dome that allows users to easily maneuver it for an airtight seal. By trapping heat exactly where it matters most, the cap ensures a highly efficient vaporization process. It is an ideal component for users seeking to prevent material waste while achieving lower-temperature vaporization. The universal design comfortably accommodates standard sizes ranging from 25mm to 30mm, seamlessly upgrading everyday water pipe setups.
Dual Directional Vortex Airflow
This cap utilizes a strategically pitched airflow hole combined with an extended interior glass tip. When users draw from the water pipe, the angled airflow generates a continuous circular vortex. This mechanical motion effectively pushes concentrates away from the cooler outer edges and forces them back into the hottest center parts of the heating chamber. This action minimizes residue pooling in the corners, ensuring virtually zero waste during every session.
Precision Heat Management
By constantly moving the botanical oil around the heating surface, the cap promotes even heat distribution across the entire base area. This consistent movement prevents concentrates from burning or charring in a single stagnant spot. The resulting temperature stability allows users to extract the full spectrum of flavors and aromas safely, delivering a smooth experience through controlled thermal regulation.
Ergonomic Borosilicate Construction
Constructed entirely from high-quality borosilicate glass, this accessory is highly resistant to extreme thermal stress. The top of the cap features a smooth, rounded dome designed to fit comfortably in the hand. This ergonomic shape allows for effortless rotational control, making it simple to direct the airflow precisely where needed while maintaining a secure, heat-trapping seal on top of the quartz bucket.
What’s in the box?
- 1x Terp Twister Carb Cap
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Tags: Carb Cap Directional Airflow Made of Glass
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