Python Dust offers a synergized, dual-action formula to control
horn flies, biting lice, ticks and keds. Aids in the control of face flies,
stable flies and other nuisance flies. For use on any age lactating and
non-lactating dairy cattle, beef cattle, sheep, goats and horses. Use in a dust bag.
Contains 0.075% zetacypermethrin and 0.15% piperonyl butoxide.