When You Need Maximum Power, Pyreth-It Delivers. Pyreth-It is a highly concentrated pyrethrum insecticide with a high synergist ratio. It provides rapid knockdown and kill for heavy infestations, cleanouts and other difficult situations. Whether used alone or tank mixed with other insecticides, Pyreth-It delivers quick kill of ants, cockroaches, beetles, aphids, mites, whiteflies and other insects. Benefits Fast knockdown and kill: 6-60 formulation Broad spectrum control: Labeled for over 100 pests Versatile tool for difficult pests: For indoor and outdoor use Increases the effectiveness of other treatments: Flushes insects from hiding for maximum effectiveness.