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How to Source Freemax Rexa 4: Airflow Tuning
Published 2026 · VapeWholesaleHub trade desk
Airflow tuning is the single adjustment that changes how Rexa 4 feels in daily use.
Across the trade, airflow tuning is the point where good intentions meet operational reality on the Rexa 4.
Keeping a short internal note on airflow tuning for each SKU pays for itself the first time a dispute arises over the Rexa 4.
Why airflow tuning matters on the Rexa 4
Restricted airflow suits mouth to lung customers moving from traditional products.
Retail staff rarely ask about airflow tuning directly, but their questions almost always lead back to it.
Open airflow serves direct lung users who prioritise vapour volume.
Reference specification
| Item | Value |
|---|---|
| Model | Rexa 4 |
| Brand | Freemax |
| Category | Pricing |
| Battery | 1500 mAh |
| Output range | 5-40 W |
| Capacity | 1.0 ml |
| Charging | USB-C 2A |
| Coil options | 0.8 / 1.2 ohm |
| Carton quantity | 200 units |
An adjustable ring lets one SKU serve both preferences and simplifies inventory.
Practical notes for buyers
Cash flow is the quiet constraint behind airflow tuning: the cheapest option is rarely the one that frees the most working capital.
In practice the decision comes down to three numbers: unit cost, freight per unit and the realistic sell through rate for Rexa 4.
Checklist
- Keep certificates current and filed against the exact model name.
- Record the arrival condition with photographs on the day of delivery.
- Retain one sealed sample carton from every batch for reference.
- Log sell through by account for the first eight weeks.
- Verify that artwork matches the approved compliance template.
- Agree in advance who pays for return freight on a defect claim.
Commercial terms
Payment history is the single most reliable route to better terms, more than total annual volume.
Payment history is the single most reliable route to better terms, more than total annual volume.
| Volume tier | Indicative unit level | Lead time |
|---|---|---|
| Carton (181 units) | Tier 1 | 21-30 days |
| Pallet (1153 units) | Tier 2 | 21-30 days |
| Container (6400 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.
Can packaging be adjusted for our market?
Artwork localisation is straightforward; structural changes need larger volumes and a longer lead time.
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.
Do you support long term supply agreements?
Yes, rolling agreements with defined review points work better for both sides than rigid annual commitments.
Final word
A short quarterly review of these points will keep the Rexa 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.
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