Clean agent specified as fire suppression system of choice for cannabis concentrate extraction lab. HAL Extraction provided the First and Only UL Certified Extraction Chamber and selected Suppression Systems Inc to provide design, installation, and commissioning of a UL listed Kidde Clean Fire Suppression system in Tacoma  WA. These chambers use flammable and pressurized solvents that can create dangerous conditions for workers and buildings. HAL Extraction has worked with Underwriters Laboratories (UL) to develop and certify the first equipment for use in the plant oil extraction industry