Anthony from Atlanta, Ga writes
The main difference between the Delta Dust and the D-Fense Dust is their manufacturer. Yes, both Delta Dust? and D-Fense Dust? are water-resistant, and if a treated area were covered or washed in water, than you would need to reapply once the area is dry. Both will last many months in undisturbed voids and treat many insects.
Answer last updated on: 05/08/2018