Natural Guard Diatomaceous Insect Dust - 4 lb - Sale Price: $12.95 Natural Guard Diatomaceous Insect Dust (4 lb) by Perma-Guard™, is Mother Nature's product and is safe for the environment, pets, and people. It is often called Fossil Shell Flour, and what a versatile product! In the house you can use Natural Guard Diatomaceous Insect Dust, an organic pesticide, for the control of ants, cockroaches, silverfish, bedbugs, fleas, box elder bugs, scorpions, crickets, ticks, and many other unwelcome pests. When the ants or other pests come in contact with the powder they will be killed or abandon the area. Food Grade Diatomaceous Earth is also an effective, organic pesticide against fleas, ticks, lice, and other pests that bother our pets. Use Perma-Guard Food Grade Diatomaceous Earth as a natural insecticide for the non-chemical control of aphids, whiteflies, beetles, loppers, mites, leafhoppers, and other insects. Sprinkle it inside your greenhouse, or outdoors on fruits, vegetable plants, flowers, grains, and grass. MSDS |