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Freemax Rexa 4 Airflow Tuning Insights 2026
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.
Cash flow is the quiet constraint behind airflow tuning: the cheapest option is rarely the one that frees the most working capital.
Why airflow tuning matters on the Rexa 4
Restricted airflow suits mouth to lung customers moving from traditional products.
Shops that receive a short briefing on airflow tuning convert noticeably better than shops that only receive stock.
Open airflow serves direct lung users who prioritise vapour volume.
Reference specification
| Item | Value |
|---|---|
| Model | Rexa 4 |
| Brand | Freemax |
| Category | Reviews |
| Battery | 1300 mAh |
| Output range | 8-30 W |
| Capacity | 2.0 ml |
| Charging | USB-C 2A |
| Coil options | 0.6 / 0.8 / 1.0 ohm |
| Carton quantity | 50 units |
An adjustable ring lets one SKU serve both preferences and simplifies inventory.
Practical notes for buyers
Where two suppliers look identical on price, airflow tuning is usually the variable that separates them over a full year.
Cash flow is the quiet constraint behind airflow tuning: the cheapest option is rarely the one that frees the most working capital.
Checklist
- Verify that artwork matches the approved compliance template.
- Check carton quantities against the commercial invoice line by line.
- Keep certificates current and filed against the exact model name.
- Confirm the exact configuration in writing before the deposit is paid.
- Review the reorder point after one full selling cycle.
- Log sell through by account for the first eight weeks.
Commercial terms
Payment history is the single most reliable route to better terms, more than total annual volume.
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 (113 units) | Tier 1 | 21-30 days |
| Pallet (1495 units) | Tier 2 | 7-12 days |
| Container (19511 units) | Tier 3 | 14-21 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.
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.
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
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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