Stryker 5-25 Insecticide Concentrate is a water-based, micro-emulsion blend of Pyrethrin and PBO. This combination product has the right ratio of active ingredients to achieve excellent control of mosquitoes, gnats, midges and other flying insects. Stryker 5-25 is the ideal rotational product for use in residential or barn misting systems and public health mosquito control. It provides quick knockdown with a short residual and no phytotoxicity. Stryker 5-25 is approved for use on over 60 insects and 60 use sites.