St. Gabriel Laboratories All Natural Indoor/Outdoor Insect Dust Repellent - 4.4 lb Bag 50020-7
Remarkable, all-natural product that is so safe it may be rubbed right into your dog or cat's fur.  Consists of fossilized remains of diatoms, a type of hard-shelled algae. (Intended for application with a hand duster.) ST. GABRIEL LABORATORIES INSECT DUST Diatomaceous Earth is a mechanical insect killer. Insects cannot become immune to its action. Insects come into contact with this powder and die of dehydration within 48 hours.  Insect Dust (diatomaceous earth) controls these insects: Ants, fleas, ticks, cockroaches, earwigs, slugs, beetles, spiders and silverfish.  This product may be used indoors or outdoors, around foundation of home, basement window easements, along floor next to walls, and in corners and crevices inside home.