Defense Technology/Federal Laboratories MK-9 Live OC 12.0 oz

First Defense is the most widely used OC based spray on the market today. In use by more than 5,000 agencies worldwide, First Defense features a patented water based, 10 percent OC design which is both safe and effective. First Defense is non-flammable, contains all food grade ingredients, and utilizes an environmentally safe propellant.