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Lisa from Edgewater, Florida writes

How long does Permethrin SFR 36.8% last in my house and spraying the house and furniture?

Answer:

Permethrin SFR 36.8% leaves a residual of approximately 30 days outdoors and approximately up to 90 days indoors. When treating upholstered furniture take care to treat between and under cushions, DO NOT apply to the top where you sit.

Answer last updated on: 03/31/2020

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