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Air Bar Zen 4 Sample Order Workflow Checklist 2026
Published 2026 · VapeWholesaleHub trade desk

A disciplined sample workflow shortens the path from first interest to a Zen 4 purchase order.
A range review that ignores sample order workflow will often produce a confident decision and a disappointing quarter on the Zen 4.
Retail staff rarely ask about sample order workflow directly, but their questions almost always lead back to it.
Why sample order workflow matters on the Zen 4
Request samples with the final specification, not an approximation.
Cash flow is the quiet constraint behind sample order workflow: the cheapest option is rarely the one that frees the most working capital.
Evaluate across at least two weeks of real use.
Reference specification
| Item | Value |
|---|---|
| Model | Zen 4 |
| Brand | Air Bar |
| Category | Starter Kits |
| Battery | 400 mAh |
| Output range | 5-80 W |
| Capacity | 4.0 ml |
| Charging | USB-C fast charge |
| Coil options | 0.6 / 0.8 / 1.0 ohm |
| Carton quantity | 120 units |
Record findings so the next buyer does not repeat the work.
Practical notes for buyers
Shops that receive a short briefing on sample order workflow convert noticeably better than shops that only receive stock.
Seasonality interacts with sample order workflow more than most forecasts allow for, so a rolling review beats an annual one.
Checklist
- Agree in advance who pays for return freight on a defect claim.
- Request batch photographs and a packing list prior to shipment.
- Record the arrival condition with photographs on the day of delivery.
- Log sell through by account for the first eight weeks.
- Check carton quantities against the commercial invoice line by line.
- Keep certificates current and filed against the exact model name.
Commercial terms
Most long running accounts settle into a rhythm of monthly top ups with one larger seasonal build per year.
Currency movement over a ninety day cycle can outweigh the difference between two competing quotations.
| Volume tier | Indicative unit level | Lead time |
|---|---|---|
| Carton (161 units) | Tier 1 | 7-12 days |
| Pallet (1686 units) | Tier 2 | 14-21 days |
| Container (8066 units) | Tier 3 | 21-30 days |
Frequently asked questions
How many Zen 4 samples should we request?
Three to five units per shortlisted configuration is enough to judge consistency.
Is documentation provided for customs?
Commercial invoice, packing list and the relevant certificates are supplied; the importer's broker handles the declaration.
Do you support long term supply agreements?
Yes, rolling agreements with defined review points work better for both sides than rigid annual commitments.
How quickly can a repeat order be produced?
For established configurations production typically runs two to four weeks, with transit on top depending on the chosen method.
Final word
Start with one change, measure it over a quarter, then decide whether it deserves to become policy.
Trade enquiry
Quotations, samples and artwork files are available on request. Please state model, quantity per SKU, destination and target delivery window.