Y-Tex Python DustProduct code: 0820000 PYthon Dust in the only dust to contain two novel active ingredients for maximum efficacy against all major livestock ectoparasites. Zetacypermethrin is a 5th generation pyrethroid with enriched S isomer content that is highly active against horn flies, face flies, ticks and other pests. Piperonyl butoxide is a mixed function oxidase inhibitor that helps overcome metabolic resistance in insects and and synergizes the