Use Debantic 50WP as part of an overall integrated pest management (IPM) program. Debantic 50WP Insecticide Poultry and Livestock Premise Spray is suitable for use in conventional power or low pressure knapsack sprayers. Agitation is recommended to prevent undue settling of the suspension. Follow the USE DIRECTIONS for the proper percent solution needed for a specific insect and areas or types of wall surfaces. Refer to DILUTION TABLE for the quantity of insecticide needed to make the percent solution recommended. ORGANOPHOSPHATE. ACTIVE INGREDIENT: 50% Tetrachlorvinphos.