Python Magnum Insecticide Cattle Ear Tag - Synergized - Blue

A sustained-release, plastic ear tag containing a synergized formulation of zeta-cypermethrin, a potent, enriched S-isomer pyrethroid compound that has excellent activity against many pests, including horn flies that are resistant to certain other insecticides. Larger net weight of 15.4 grams per tag provides greater insecticide release for maximum effectiveness against horn flies and other ectoparasites.