This spray is quick-killing effective control of flies. It is a pyrethrum, botanically-based insecticide.
This concentrate can be used undiluted or diluted at the rate of 1 part concentrate to 2 or 3 parts water. To make 0.10% Pyrethrins – add 1 part concentrate to 2 parts water (most commonly used rate).
Kills and repels stable flies, horse flies, face flies, deer flies, house flies and gnats.