The Garden Safe 4 lb. Crawling Insect Killer with Diatomaceous Earth is a no-odor, non-staining insect control solution. Use Garden Safe diatomaceous pesticides both indoors and outdoors to kill listed crawling insects on contact. When crawling insects encounter or ingest this diatomaceous powder, they die within 24 hours. It's designed to control cockroaches, ants, beetles, fleas, bed bugs, carpet beetles, millipedes, crickets, silverfish and others as listed on the label. Use a hand duster, power duster or squeeze bottle (all sold separately) to apply.