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Freemax Rexa 4 Airflow Tuning Explained
Published 2026 · VapeWholesaleHub trade desk
Airflow tuning is the single adjustment that changes how Rexa 4 feels in daily use.
What follows is a practical view of airflow tuning for the Rexa 4, written for people who place repeat orders rather than one off buys.
Seasonality interacts with airflow tuning more than most forecasts allow for, so a rolling review beats an annual one.
Why airflow tuning matters on the Rexa 4
Restricted airflow suits mouth to lung customers moving from traditional products.
In practice the decision comes down to three numbers: unit cost, freight per unit and the realistic sell through rate for Rexa 4.
Open airflow serves direct lung users who prioritise vapour volume.
Reference specification
| Item | Value |
|---|---|
| Model | Rexa 4 |
| Brand | Freemax |
| Category | Pod Systems |
| Battery | 650 mAh |
| Output range | 10-80 W |
| Capacity | 6.0 ml |
| Charging | Magnetic dock |
| Coil options | 1.0 / 1.2 ohm |
| Carton quantity | 120 units |
An adjustable ring lets one SKU serve both preferences and simplifies inventory.
Practical notes for buyers
Keeping a short internal note on airflow tuning for each SKU pays for itself the first time a dispute arises over the Rexa 4.
The most common mistake is optimising for the first order instead of the fourth, which is where Rexa 4 economics actually settle.
Checklist
- Keep certificates current and filed against the exact model name.
- Agree in advance who pays for return freight on a defect claim.
- Record the arrival condition with photographs on the day of delivery.
- Confirm the exact configuration in writing before the deposit is paid.
- Request batch photographs and a packing list prior to shipment.
- Verify that artwork matches the approved compliance template.
Commercial terms
Commercial terms are usually agreed in three parts: a deposit on confirmation, a balance before shipment and a stated validity window.
Lead times are a function of component availability as much as factory capacity, so buffers should reflect both.
| Volume tier | Indicative unit level | Lead time |
|---|---|---|
| Carton (53 units) | Tier 1 | 7-12 days |
| Pallet (1511 units) | Tier 2 | 21-30 days |
| Container (15150 units) | Tier 3 | 21-30 days |
Frequently asked questions
Can airflow be adjusted on Rexa 4?
Most current designs include a rotating ring or sliding switch; confirm the exact mechanism on the specification sheet.
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.
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.
Is documentation provided for customs?
Commercial invoice, packing list and the relevant certificates are supplied; the importer's broker handles the declaration.
Final word
The buyers who do this well are not luckier; they are simply more consistent about the basics.
Trade enquiry
Quotations, samples and artwork files are available on request. Please state model, quantity per SKU, destination and target delivery window.
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