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How to Source Air Bar Box 4: Airflow Tuning
Published 2026 · VapeWholesaleHub trade desk
Airflow tuning is the single adjustment that changes how Box 4 feels in daily use.
There is no shortcut on airflow tuning: the Box 4 rewards preparation and punishes improvisation.
Documentation is not paperwork for its own sake; on airflow tuning it is the difference between a clean clearance and a delayed one.
Why airflow tuning matters on the Box 4
Restricted airflow suits mouth to lung customers moving from traditional products.
Shops that receive a short briefing on airflow tuning convert noticeably better than shops that only receive stock.
Open airflow serves direct lung users who prioritise vapour volume.
Reference specification
| Item | Value |
|---|---|
| Model | Box 4 |
| Brand | Air Bar |
| Category | E-Juice |
| Battery | 1300 mAh |
| Output range | 8-30 W |
| Capacity | 6.0 ml |
| Charging | USB-C 2A |
| Coil options | 0.4 / 0.6 ohm |
| Carton quantity | 120 units |
An adjustable ring lets one SKU serve both preferences and simplifies inventory.
Practical notes for buyers
Retail staff rarely ask about airflow tuning directly, but their questions almost always lead back to it.
Retail staff rarely ask about airflow tuning directly, but their questions almost always lead back to it.
Checklist
- Keep certificates current and filed against the exact model name.
- Confirm the exact configuration in writing before the deposit is paid.
- Review the reorder point after one full selling cycle.
- Request batch photographs and a packing list prior to shipment.
- Check carton quantities against the commercial invoice line by line.
- Retain one sealed sample carton from every batch for reference.
Commercial terms
Most long running accounts settle into a rhythm of monthly top ups with one larger seasonal build per year.
Most long running accounts settle into a rhythm of monthly top ups with one larger seasonal build per year.
| Volume tier | Indicative unit level | Lead time |
|---|---|---|
| Carton (143 units) | Tier 1 | 30-45 days |
| Pallet (1607 units) | Tier 2 | 21-30 days |
| Container (14390 units) | Tier 3 | 7-12 days |
Frequently asked questions
Can airflow be adjusted on Box 4?
Most current designs include a rotating ring or sliding switch; confirm the exact mechanism on the specification sheet.
Do you support long term supply agreements?
Yes, rolling agreements with defined review points work better for both sides than rigid annual commitments.
Is documentation provided for customs?
Commercial invoice, packing list and the relevant certificates are supplied; the importer's broker handles the declaration.
What happens if a batch fails inspection?
The agreed procedure normally covers replacement of affected units or credit against the next order, documented before shipment.
Final word
A short quarterly review of these points will keep the Box 4 range healthy without consuming the week.
Trade enquiry
Quotations, samples and artwork files are available on request. Please state model, quantity per SKU, destination and target delivery window.