Harris Boric Acid Roach Killer with Applicator, 16 oz. is a powerful and effective solution designed to eliminate roaches, palmetto bugs, waterbugs, and silverfish in your home. Formulated with 99% boric acid and 1% silica to prevent clumping, this product uses a special lure that attracts insects to feed on the powder, ensuring they are effectively killed. The convenient puffer bottle comes with a straw applicator that allows you to reach deep into cracks and crevices where pests hide, making indoor use simple and efficient. by the Environmental Protection Agency for use across all 50 states, this ready-to-use 16 oz. squeeze bottle provides a reliable and easy way to keep your living spaces pest-.