Best Powders - Pest

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Best Powders

About this item
  • Harris Boric Acid Powder is our top pick in this product category and are very effective for treating silverfish. This powder is designed to be long lasting and will continue to kill silverfish for weeks after after application.
  • The powder is fast-acting and kills insects within 72 hours of initial contact. The powder formula also included added ingredients to lure silverfish from their hiding places.

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