20 ear tags per box. Controls susceptible horn flies including pyrethroid resistant horn flies on beef and non-lactating dairy cattle and calves. Exclusive organophosphate chemistry with Super Kleen controlled release matrix provides up to 5 months control of horn flies and as an aid in the control of face flies with the use of two tags per head. Convenient 9.5 gram tag can be used on calves of any age. Apply with the Allflex universal total tagger (sold separately). Male button included for application of tag.
Remove tags at the end of the season to help prevent resistance.