Defense Technology's First Defense pepper spray product line is used the most widely among law enforcement agencies across the globe. The MK-46R contains 46-ounces of premium refill formula for the MK-46H horizontal and MK-46V vertical crowd control spray systems. The variable solution is rated at .2-1.3%, allowing for custom selection of spray intensity to accommodate changes in the environment. Like all of Def-Tec's OC sprays, their signature formula is tested independently in a laboratory, ensuring quality and effectiveness necessary in the line of duty.