1 LB Delta Dust Pest Insecticide w/ Puffer Bellow Hand Duster, Carpenter Bee, Bedbugs, Wasp Control and many more.. Deltamethrin 0.05% Cracks and Crevices indoors and outdoors DeltaDust is a waterproof insecticide intended for application with a hand or power duster (Actisol DPA or similar equipment), with a paint brush or by other suitable means, for hiding and runaway areas and other places where insects are found.