PF Harris 32 oz. Ready-to-Use Bed Bug Killer. It contains .03% Deltamethrin and is non-staining and odorless. Remove and clean linens before applying. Apply to infested areas especially in the tufts and folds of mattresses and box springs. Product begins working once dry and has long lasting residual action that will control infestations. Use with a comprehensive treatment plan including bed bug powder and egg kill bed bug aerosol. Also controls lice infestations. Label instructions include directions for proper use and disposal.