These dates arent arbitrary numbers picked by manufacturers they represent the period during which the product maintains its intended flavour profile, nicotine strength, and overall quality
On average, a blunt holds two times the bud as a normal-size marijuana cigarette (joint)
But the committee noted: "If people perceive e-cigarettes as safe this perception could transfer to heat-not-burn tobacco products, despite a lack of data on which to establish this." Public Health England says there is a large amount of evidence that shows e-cigarettes are much less harmful than smoking - at least 95%
Hammoud DA, Endres CJ, Chander AR, Guilarte TR, Wong DF, Sacktor NC, et al
This is about as opposite as you can get from the vape mod style devices
The dimensions directly affect how many cigarettes in a pack can fit without damage