B-Free of Flies B-Free of Flies contains 0.22% Pyrethrins and has been especially formulated for use on horses. Used either as a spray or wipe on this protective coating protects horses against flies and mosquitos while leaving a high sheen to the hair... more
1.0% Permethrin synergized with 1.0% PBO for use as a pour on, mist spray, wipe on, or back rubber application to listed farm animals and their premises. 1 gal. treats 51-500lb. more
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