PRODUCT DESCRIPTION: Dry powder, much like baby or talc powder, which uses deltamethrin for an active ingredient. Ideal for use in attics, wall voids and crawl spaces, Delta Dust is good for use in the lawn and garden too. Undisturbed treatments can last 8-12 months and will work on a wide range of pests. … Continue reading DELTAMETHRIN DUST FOR WALL VOIDS, ATTICS AND CRAWL SPACES