Lowest price: $4.99 · 1 store · price range $4.99 … $4.99
Price history: 2 daily prices tracked since 2026-10-18; lowest $4.99, highest $4.99.
Price last confirmed by the store feed on 2026-10-30.
| Store | Price | Stock | |
|---|---|---|---|
| Store 1 (US) | $4.99 | In stock | Go to store |
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Borosilicate glass bubble carb caps measures 16mmOD, fit any quartz banger nails with the outer diameters of 14mmOD 16mmOD 18mmOD 20mmOD. Our control tower cap comes with a long tail to prevent the terp pill/pillar/pearls getting into the banger neck. A small handle designed for easy grip. We are the 1st company to mass production and wholesale this glass bubble caps, design to match the control towers and terp slurpers. We produce and custom all kinds of quartz bangers and carb caps, MOQ is 100 pieces..syi