In terms of eCigs the main benefit is ease of use.
Most of the disposable eCigs are pretty rubbish in terms of vape.
Most 'decent' eCigs require filling a tank / regular cleaning.
These use a tank system so deliver a decent vape, albeit with minimal flavours and quite expensive refills.
Can be used by the elderly / not as technically minded as some though!
In all, it is what I recommend for my Mum etc.
Having a 100% VG option would be a very good addition to the eJuice available though.
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