TRI-ZAP is a sustained-release, cattle ear tag containing a synergized formulation of Zetacypermethrin, a potent, enriched S-isomer pyrethroid compound and Abamectin, a highly active macrocyclic lactone that has never before been used in combination on cattle. Controls Horn Flies for up to four months with two tags per head. Controls Face Flies (mechanical vector of Moraxella bovis, the bacterium which causes Pink Eye in cattle) in calves with two tags per head.

One or two tags per head controls Face Flies for up to two months. Two tags per head controls Lice and Spinose Ear Ticks for up to three months.