Does this product have an expiration date? I've had mine for a while, but wondering if it's lost some of its efficacy.
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Ortho Home Defense Insect Killer For Indoor & Perimeter has a minimum shelf life of 3 years when properly stored, but will often last longer. After 3 years, products may gradually lose their effectiveness. We recommend to use product even if it has been stored for over 3-4 years. Products do not become more hazardous as they age.
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