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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.
The Rexa 4 has settled into a stable position in the range, which makes airflow tuning the natural next question for distributors.
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.
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 | Vape Devices |
| Battery | 800 mAh |
| Output range | 5-25 W |
| Capacity | 1.0 ml |
| Charging | USB-C fast charge |
| Coil options | 0.6 / 0.8 / 1.0 ohm |
| Carton quantity | 120 units |
An adjustable ring lets one SKU serve both preferences and simplifies inventory.
Practical notes for buyers
In practice the decision comes down to three numbers: unit cost, freight per unit and the realistic sell through rate for Rexa 4.
Consistency across batches matters more than peak performance for Rexa 4, and airflow tuning is where inconsistency first appears.
Checklist
- Log sell through by account for the first eight weeks.
- Retain one sealed sample carton from every batch for reference.
- Review the reorder point after one full selling cycle.
- 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.
Commercial terms
Payment history is the single most reliable route to better terms, more than total annual volume.
Currency movement over a ninety day cycle can outweigh the difference between two competing quotations.
| Volume tier | Indicative unit level | Lead time |
|---|---|---|
| Carton (152 units) | Tier 1 | 30-45 days |
| Pallet (933 units) | Tier 2 | 21-30 days |
| Container (15220 units) | Tier 3 | 30-45 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.
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.
Can packaging be adjusted for our market?
Artwork localisation is straightforward; structural changes need larger volumes and a longer lead time.
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.
Related reading
- Freemax Mesh Pro 3 Airflow Tuning for Bulk Buyers
- Freemax Twista Ultra: Starter Setup Walkthrough for Distributors
- Freight Insurance and Risk Cover Guide for Freemax Twista 3
- Freemax Twista 5 Carton and Pallet Configuration for Bulk Buyers
- Freemax Rexa Lite Payment and Credit Terms Explained
- Airflow Tuning Guide for Freemax Mesh Pro S