Really pack some HEAT with PEPPER SHOT PEPPER SPRAY. This spray is rated at 2 million Scoville Units of heat and is delivered in a VERY fine aerosol spray that delivers more of the active ingredient than other sprays. The active ingredient in this spray causes swelling in the mucous membranes in the eyes and lungs making your attacker lose the will to fight. The effects last up to 45 minutes, but there is no permanent damage. This FOUR OUNCE container will project a stream of pepper spray up to 18 feet and offers you up to 22 one second shots.