June 1, 2007, Newsletter Issue #69: Shelf Life of Pepper Spray

Tip of the Week

Does pepper spray have a shelf life? Canisters may have a shelf life of three to six years. They are usually conservatively dated to expire in one year. Shake the canister about once a month to keep the ingredients mixed. Pepper spray canisters have the active ingredient mixed in a liquid, and a pressurized gas propellant.

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