2500 puffs → Standard OVNS disposable, compact device, around 8ml e-liquid + mesh coil, made for short to medium use.
3000 puffs → Slightly upgraded version, usually similar design but bigger battery and more e-liquid, giving a bit longer usage time.
5500 puffs → Larger OVNS disposable (or newer variant), bigger tank + rechargeable in some models, designed for longer-lasting use compared to 2500/3000 versions.
