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

A disciplined sample workflow shortens the path from first interest to a Zen 4 purchase order.
Across the trade, sample order workflow is the point where good intentions meet operational reality on the Zen 4.
Keeping a short internal note on sample order workflow for each SKU pays for itself the first time a dispute arises over the Zen 4.
Why sample order workflow matters on the Zen 4
Request samples with the final specification, not an approximation.
Consistency across batches matters more than peak performance for Zen 4, and sample order workflow is where inconsistency first appears.
Evaluate across at least two weeks of real use.
Reference specification
| Item | Value |
|---|---|
| Model | Zen 4 |
| Brand | Air Bar |
| Category | Local Supply |
| Battery | 800 mAh |
| Output range | 8-80 W |
| Capacity | 4.0 ml |
| Charging | USB-C fast charge |
| Coil options | 1.0 / 1.2 ohm |
| Carton quantity | 120 units |
Record findings so the next buyer does not repeat the work.
Practical notes for buyers
The most common mistake is optimising for the first order instead of the fourth, which is where Zen 4 economics actually settle.
A written internal standard for sample order workflow makes onboarding new account managers far quicker and reduces avoidable errors.
Checklist
- Log sell through by account for the first eight weeks.
- Confirm the exact configuration in writing before the deposit is paid.
- Agree in advance who pays for return freight on a defect claim.
- Verify that artwork matches the approved compliance template.
- Request batch photographs and a packing list prior to shipment.
- 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.
Freight terms should be named explicitly, because an unclear incoterm is the fastest way to lose a relationship.
| Volume tier | Indicative unit level | Lead time |
|---|---|---|
| Carton (69 units) | Tier 1 | 14-21 days |
| Pallet (1726 units) | Tier 2 | 14-21 days |
| Container (18060 units) | Tier 3 | 7-12 days |
Frequently asked questions
How many Zen 4 samples should we request?
Three to five units per shortlisted configuration is enough to judge consistency.
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.
Can several models be mixed in one shipment?
Yes, mixing models and flavours within a carton or pallet is common and usually helps first time buyers test demand.
Final word
A short quarterly review of these points will keep the Zen 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.