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The TPD (TRPR) forces the sizes of tanks to be reduced to 2ml in capacity however, the devices use a clever way to get around the TPD legislation

The Kinshi rebranding was aimed at sidestepping the anti-western views of the time

Our top picks A simple display offers customizable readings and a quick assessment of overall air quality Incredibly easy to set up and use, using Bluetooth Connects to WiFi and has a handy app for on-the-go air quality checks IFTTT functionality connects to Amazon Alexa and Google Assistant Minimalist aesthetic rounded edges and a matte white finish Has a calm grey/black display showing you select readings on the monitor itself Easy to stand up on a shelf or desk, or can be mounted to a wall Monitors radon, unlike most other monitors review here

However, this chemical has since been banned by e-liquid manufacturers due to safety concerns