The world’s most widely used pepper spray in law enforcement and corrections, First Defense® has just gotten better.With our complete line of aerosols, we are able to offer an OC level of intensity ranging from .2% Major Capsaicinoids to 1.3% MC.The variations in the MC% means that you can now select the level of intensity of OC for the environment required.We use independent laboratory testing to ensure consistent quality of each product.Delivery System: Stream.