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Freemax Rexa 4: Airflow Tuning for Distributors
Published 2026 · VapeWholesaleHub trade desk
Airflow tuning is the single adjustment that changes how Rexa 4 feels in daily use.
Every serious sourcing conversation about the Rexa 4 eventually arrives at airflow tuning, usually because it is where cost and risk meet.
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 Rexa 4
Restricted airflow suits mouth to lung customers moving from traditional products.
A written internal standard for airflow tuning makes onboarding new account managers far quicker and reduces avoidable errors.
Open airflow serves direct lung users who prioritise vapour volume.
Reference specification
| Item | Value |
|---|---|
| Model | Rexa 4 |
| Brand | Freemax |
| Category | Vape Devices |
| Battery | 1100 mAh |
| Output range | 5-30 W |
| Capacity | 1.2 ml |
| Charging | USB-C 1A |
| Coil options | 0.4 / 0.6 ohm |
| Carton quantity | 200 units |
An adjustable ring lets one SKU serve both preferences and simplifies inventory.
Practical notes for buyers
Consistency across batches matters more than peak performance for Rexa 4, and airflow tuning is where inconsistency first appears.
Seasonality interacts with airflow tuning more than most forecasts allow for, so a rolling review beats an annual one.
Checklist
- Keep certificates current and filed against the exact model name.
- Record the arrival condition with photographs on the day of delivery.
- Verify that artwork matches the approved compliance template.
- Request batch photographs and a packing list prior to shipment.
- Review the reorder point after one full selling cycle.
- Confirm the exact configuration in writing before the deposit is paid.
Commercial terms
Lead times are a function of component availability as much as factory capacity, so buffers should reflect both.
Currency movement over a ninety day cycle can outweigh the difference between two competing quotations.
| Volume tier | Indicative unit level | Lead time |
|---|---|---|
| Carton (98 units) | Tier 1 | 7-12 days |
| Pallet (613 units) | Tier 2 | 21-30 days |
| Container (6154 units) | Tier 3 | 7-12 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.
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.
Can packaging be adjusted for our market?
Artwork localisation is straightforward; structural changes need larger volumes and a longer lead time.
Final word
None of this is complicated, but it does need to be written down and reviewed on a schedule.
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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