"The bags this vaporizer fills are a hit at any social event," writes Brandon Siddall, head budtender at top marijuana dispensary Caliva, and Adam Smith, purchasing manager in an email.

Marijuana sales could hit $20 billion by 2020, with help from the ever-growing vaporizer market. Vaping is an alternative to smoking that involves inhaling vapor from an electronic device.

The portable cannabis vaporizer market has expanded rapidly ... is widely used in forms like marijuana and hemp. The rising legalization trend stems from a growing acknowledgment of its medicinal ...