Digest: The Act says that an entity may not sell an aerosol duster that contains DFE to a person who is under 18 years old. (Flesch Readability Score: 66.1). [Digest: The Act says that an entity may not sell an aerosol duster that has DFE in it to a person who is under 21 years old. (Flesch Readability Score: 69.8).] Prohibits the retail sale of an aerosol duster that contains 1,1-Difluoroethane to an individual under [21] 18 years of age. Allows the sale or delivery of an aerosol duster that contains 1,1-Difluoroethane through an order pick-up or delivery system if the recipient is at least 18 years of age. Punishes a violation by a maximum of 30 days' imprisonment, $1,250 fine, or both. Requires an aerosol duster that contains 1,1-Difluoroethane to bear a warning label. Defines "1,1-Difluoroethane."