Smart Convection Vaporizer - for Dry Herb only The Roffu was purpose driven and meticulously designed to deliver on the most critical aspects for an out of this world dry-herb vaping experience! High-performance power backed by precision engineering seamlessly join together to produce absolute pure flavor. The flavor provided by the ROFFU smart convection vape is a gourmet delight that must be experienced to be believed. The cutting-edge convection heating provides a nearly instant heat-up time which provides a potent and pure vapor from your dry botanicals. The XLUX series ROFFU promises to be the most sought after convection vape available.