Perma-Dust is a 35.5% boric acid powdered Micro-Pro formula. It is ideal for use in voids where long-term residual activity is required. It is not affected by moisture or heat and can be used in areas where these conditions are a concern. It leaves a powdery residue and is labeled for crack and crevice or void applications. Great for treating carpenter ant and carpenter bee nests.
Read The Label And Follow Instructions for Safety And Desired ResultsNotice. Turn can upside down and screw straw into the can turning to the right!