4/CS - A natural contact insecticide that works by causing abrasions on insects as they come in contact with product, resulting in loss of body fluids, then dehydration. Digestible by earthworms, causing them no harm. Very effective in controlling snails and slugs in bedding plant areas and around houses. Controls bed bugs, cockroaches, ants, earwigs, snails, slugs, crickets, millipedes, centipedes, silverfish, fleas, grasshoppers, and other listed crawling insects. Application rate: Use hand duster of bulbous duster to apply light coating of dust to areas where crawling pests are found or may hide. Contains silicon dioxide from diatomaceous earth. For indoor or outdoor use.