Unlike common throwaway aerosol can defense products, ASP Defenders are highly-engineered dispersion devices that use a proprietary, replaceable OC (Oleoresin Capsicum) Insert. These Inserts are precision-machined from aerospace aluminum and solid brass, and incorporate a specially-produced valve system and patented dispensing mechanism. The entire unit is O-ring sealed. Our Heat formulation is maximum strength, law enforcement-grade OC: 10% Oleoresin Capsicum,1.33% major capsaicinoids, two million Scoville Heat Units (SHU). We also offerTest Inserts, which contain a harmless, inert aerosolwe highly recommend them for practicing using your ASP Defender. This Insert is compatible with ASPKey Defenders, and contains approximately six 1/2-second bursts.NOTE:Heat Inserts are date-coded to assure reliability. After the date marked on the Insert, it should be disposed of in accordance with environmental regulations in your area.

• 4g replacement Heat (Sabre Red OC pepper spray) cartridge for Key Defender
• contains six 1/2 second bursts, effective range 5 feet
• Pepper spray can only be shipped by Ground freight services and cannot be shipped to AK, DC, HI, MA, NY, or non-contiguous US territories.