Quest Equine 2% Gel Wormer 11.3gm : 1ds Product Type_EID - Electronic Ear Tags they are for the battery

they are for the battery pack that is in a white shrink wrap

or packed under a shoe and pad and left in place through the shoeing cycle

and synergist

but it may not be effective for swollen or inflamed ears

Quest Equine 2% Gel Wormer 11.3gm : 1ds Product Type_EID - Electronic Ear Tags they are for the batteryFormulated palatable dewormer gel for horses and ponies. The drug Moxidectrin is distinctly different from other paste wormers. Effective in the treatment of large and small strongyles, encysted cyathostomes, ascarids, pin worms, hair worms, large mouth stomach worms and bots. Protects up to 84 days, preventing reinfestation, twice as long as other wormers. Treats up to an 1150 lb. horse. For horses and ponies 4 months of age or older Nearly every