Python Dust is the only dust to contain two novel active ingredients for maximum efficacy against all major livestock ectoparasites. Zetacypermethrin is a 5th generation pyrethroid 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 synergizes the zetacypermethrin for maximum efficacy and residual activity. Photostable formula for long-lasting activity in sunlight. 

Key Features:
• 2 lb shaker can livestock insecticide
• Dual active ingredients for maximum efficacy
• Controls horn flies, face flies, ticks & pests
• Photostable formula - long-lasting in sunlight
• For cattle, horses & livestock