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Freemax Rexa 4 Airflow Tuning for Bulk Buyers

Published 2026 · VapeWholesaleHub trade desk

Airflow tuning is the single adjustment that changes how Rexa 4 feels in daily use.

Buyers who treat airflow tuning as a commercial discipline rather than an afterthought tend to hold margin for longer.

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.

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	E-Liquids
Battery	900 mAh
Output range	8-80 W
Capacity	1.2 ml
Charging	Magnetic dock
Coil options	1.0 / 1.2 ohm
Carton quantity	120 units

An adjustable ring lets one SKU serve both preferences and simplifies inventory.

Practical notes for buyers

Seasonality interacts with airflow tuning more than most forecasts allow for, so a rolling review beats an annual one.

In practice the decision comes down to three numbers: unit cost, freight per unit and the realistic sell through rate for Rexa 4.

Checklist

Log sell through by account for the first eight weeks.
Retain one sealed sample carton from every batch for reference.
Verify that artwork matches the approved compliance template.
Agree in advance who pays for return freight on a defect claim.
Keep certificates current and filed against the exact model name.
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.

Volume tier	Indicative unit level	Lead time
Carton (112 units)	Tier 1	7-12 days
Pallet (1232 units)	Tier 2	14-21 days
Container (17266 units)	Tier 3	7-12 days

All figures above are indicative working ranges used for planning. Final specification and commercial terms are confirmed in writing before any deposit.

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.

Is documentation provided for customs?

Commercial invoice, packing list and the relevant certificates are supplied; the importer's broker handles the declaration.

Can packaging be adjusted for our market?

Artwork localisation is straightforward; structural changes need larger volumes and a longer lead time.

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.

Tel: +86 13711127975WhatsApp: +86 13711127975WeChat: +86 13711127975