A carb cap is the small lid that sits over a hot quartz banger or nail to trap heat and pull airflow across the dab, so it vaporizes low and slow instead of burning off. It is the cheap add-on that turns a banger into a complete setup, which makes it an easy impulse grab at the register and a steady reorder. Smoke shops and dispensaries stock bubble, directional, and flat caps next to their dab rigs and dab tools as the piece every dabber eventually replaces or upgrades.
Carb caps are a small-dollar, high-turn accessory. Keep a few shapes on the case so buyers can match the cap to the banger they run.
A carb cap is a lid that covers the top of a banger or nail while you dab, restricting airflow so the concentrate vaporizes at a lower temperature. By capping the bucket, it lowers the pressure inside and lets the oil boil off at a cooler heat, which saves product and gives a smoother pull. It is the difference between a raw banger and a finished low-temp setup.
A carb cap controls airflow and pressure over the dab so the oil vaporizes evenly instead of pooling and scorching. When you place it on a hot banger and turn it, the cap drags the puddle of concentrate around the dish so heat reaches all of it, not just the bottom. The result is more vapor from less material and far less wasted oil stuck to the quartz.
You drop the dab into a heated banger, set the carb cap on top, and slowly inhale while rotating the cap to move the oil around the dish. The cap seals the bucket so airflow stays restricted, which keeps the temperature low and the vapor thick. Lift the cap when you are done to clear any remaining vapor, then wipe the banger while it is still warm.
Carb caps are sized to the inside diameter of the banger’s bucket, not to the joint size of the rig. A cap that is too small falls into the dish and one that is too wide will not seal, so most shops carry a couple of standard widths that cover the common 25mm flat-top and round-bottom bangers. When in doubt, match the cap to the banger style rather than the 10mm, 14mm, or 18mm joint.
A bubble cap uses a round glass ball you spin to swirl oil in a round-bottom banger, while a directional cap uses an angled air hole you aim to push vapor across a flat-top. Bubble caps suit older round-bottom buckets; directional and spinner caps suit flat-top bangers and slurpers. Carrying both covers nearly every banger your customers walk in with.
No. You can mix shapes and sizes with no minimums, no pallet commitments. Reorder whatever moves.
You’ll need a seller’s permit or sales-tax (resale) certificate to open a wholesale account — that’s it. No medical or cannabis license is required, since glass and accessories aren’t controlled. Sign up, send us the cert, and we’ll get you approved.
Most shops price carb caps at about 2x the wholesale price, plus roughly $10 on top for wiggle room. They are a low-dollar add-on, so the markup rides easily next to a banger or rig sale. You set your own retail price.
Orders ship in about 2 business days. We are a small crew based in Huntington Beach, California, with over a decade in the industry, so reorders move without the lead times you get from overseas suppliers.
Send us a photo and we replace it — breakage in transit is on us. That is the Arrival Guarantee.
We run our own line, so custom and private-label work is possible. Send us an email for a quote.
A complete dab station is the rig plus the parts that wear out and get upgraded, which is where the add-on sales live. Pair carb caps with a quartz banger, terp pearls and pillars, dab tools, and a temperature reader so a buyer can leave with everything to run low-temp dabs off one dab rig.
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