Inhalation devices in the nature of devices for heating tobacco substitutes for the purpose of inhalation, oral vaporizers for smoking purposes, cigarette rolling papers, and other accessories in the nature of smoker's mouthpieces for the aforementioned devices for heating tobacco substitutes for the purpose of inhalation, oral vaporizers for smoking purposes and cigarettes rolling papers, and other accessories in the nature of maintenance kits comprised of smoking pipe cleaners, oven screens being metal cylindrical screens for use in filtering and removing settleable solids from liquid, and wire brushes not being machine parts, sold as a unit with the aforementioned devices for heating tobacco substitutes for the purpose of inhalation, oral vaporizers for smoking purposes and cigarette rolling papers; structural parts and fittings for the aforesaid goods; all of the foregoing exclusively for use with cannabis products solely derived from hemp with a delta-9 tetrahyrocannabinol (THC) concentration of not more than 0.3 percent on a dry weight basis