Economical concentrate mixes with water (1 pint of concentrate makes 1 gallon of fly spray). Contains pyrethrins and piperonyl butoxide to repel and kills horn, house, stable, horse, and deer flies (tabanids), plus gnats, mosquitoes and ticks - including deer ticks which may transmit Lyme disease. Mix 1 part concentrate to 7 parts water for horn flies, house flies, gnats and mosquitoes. Mix 1 part concentrate to 4 parts water for horse flies, deer ticks, deer flies, stable flies and ticks. Apply approximately 8 ounces per animal.