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Emily writes

How often should PT 221L Residual Aerosol be applied?

Once it dries, I'm wondering how long it is effective before it needs to be re-applied. Also, how long does it take to dry indoors so I know how long to keep kids and pets out of the house?

Answer:

Reapplication of PT 221L Residual Aerosol may be made at 7 day intervals. Pets and children can return to the treated areas once the application is dry, which may be around an hour.

Answer last updated on: 11/16/2020

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