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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.
There is no shortcut on airflow tuning: the Rexa 4 rewards preparation and punishes improvisation.
Retail staff rarely ask about airflow tuning directly, but their questions almost always lead back to it.
Why airflow tuning matters on the Rexa 4
Restricted airflow suits mouth to lung customers moving from traditional products.
Cash flow is the quiet constraint behind airflow tuning: the cheapest option is rarely the one that frees the most working capital.
Open airflow serves direct lung users who prioritise vapour volume.
Reference specification
| Item | Value |
|---|---|
| Model | Rexa 4 |
| Brand | Freemax |
| Category | E-Juice |
| Battery | 650 mAh |
| Output range | 8-30 W |
| Capacity | 6.0 ml |
| Charging | USB-C fast charge |
| Coil options | 0.6 / 0.8 / 1.0 ohm |
| Carton quantity | 200 units |
An adjustable ring lets one SKU serve both preferences and simplifies inventory.
Practical notes for buyers
Retail staff rarely ask about airflow tuning directly, but their questions almost always lead back to it.
Keeping a short internal note on airflow tuning for each SKU pays for itself the first time a dispute arises over the Rexa 4.
Checklist
- Review the reorder point after one full selling cycle.
- Agree in advance who pays for return freight on a defect claim.
- Request batch photographs and a packing list prior to shipment.
- Verify that artwork matches the approved compliance template.
- Record the arrival condition with photographs on the day of delivery.
- Check carton quantities against the commercial invoice line by line.
Commercial terms
Most long running accounts settle into a rhythm of monthly top ups with one larger seasonal build per year.
Payment history is the single most reliable route to better terms, more than total annual volume.
| Volume tier | Indicative unit level | Lead time |
|---|---|---|
| Carton (114 units) | Tier 1 | 7-12 days |
| Pallet (1879 units) | Tier 2 | 30-45 days |
| Container (14775 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.
Do you support long term supply agreements?
Yes, rolling agreements with defined review points work better for both sides than rigid annual commitments.
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
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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