Home › Disposable Vapes › Nex 4

Air Bar Nex 4: Leak Prevention for Distributors

Published 2026 · VapeWholesaleHub trade desk

Leak prevention is a quality issue that shows up in return rates long after the first order.

The Nex 4 has settled into a stable position in the range, which makes leak prevention the natural next question for distributors.

Where two suppliers look identical on price, leak prevention is usually the variable that separates them over a full year.

Why leak prevention matters on the Nex 4

Consistent filling torque and proper sealing rings remove most transit leaks.

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

Pressure changes during air freight are a common cause of minor seepage.

Reference specification

Item	Value
Model	Nex 4
Brand	Air Bar
Category	Disposable Vapes
Battery	400 mAh
Output range	10-30 W
Capacity	1.0 ml
Charging	USB-C 1A
Coil options	1.0 / 1.2 ohm
Carton quantity	240 units

A short settling period upright before first use prevents most complaints.

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 Nex 4.

Shops that receive a short briefing on leak prevention convert noticeably better than shops that only receive stock.

Checklist

Agree in advance who pays for return freight on a defect claim.
Verify that artwork matches the approved compliance template.
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.
Retain one sealed sample carton from every batch for reference.

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 (50 units)	Tier 1	30-45 days
Pallet (1888 units)	Tier 2	30-45 days
Container (7485 units)	Tier 3	21-30 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

How can leakage in Nex 4 shipments be reduced?

Use sealed inner trays, keep cartons upright and allow a settling period before retail display.

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 several models be mixed in one shipment?

Yes, mixing models and flavours within a carton or pallet is common and usually helps first time buyers test demand.

Can packaging be adjusted for our market?

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

Final word

If only one thing changes after reading this, let it be the habit of checking leak prevention before reordering.

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