Defense Technology is the worlds most widely used pepper spray in law enforcement and corrections, First Defense has just gotten better. In providing a complete line of aerosols, First Defense is able to offer an OC level of intensity ranging from .2% Major Capsaicinoids to 1.3% MC. The variations in the MC% means that officers can now select the correct level of intensity of OC they need for their environment. First Defense uses independent laboratory testing to ensure consistent quality of each product. Formulation Weight: 3 oz. Delivery System: Stream.