Cimexa insecticide dust is labeled for control of bedbugs, fleas, ticks, lice, roaches, ants, Firebrats, silverfish, spiders & mites. It may also be used for the prevention & Treatment of dry wood termites. The broad label allows the product to be used to treat cracks, crevices, voids, mattresses, carpets, pet rest areas, attics & many other areas. The engineered silica-based dust has exceptional absorption of water(in liquid form) & oil, destroying the insect's waxy cuticle, causing rapid dehydration & Death. The standard usage rate is 2 ozper 100 square'. 4 oz of cimexa insecticide dust inside of a larger bottle. This allows you to use the bottle as a puffer.