Check the listing for details. StarBar QuikStrike Fly Abatement Strip 2 Pack. Condition: New. Listed at 29.75 USD. QuikStrike Fly Abatement Strip - Pack of 2 contains a triple-action attractant and a unique active ingredient that kills flies seconds after they begin to feed. Flies feed low and rest up high. Simply place the device 4 ft. or lower or in a bucket for ideal control. The QuikStrike Fly Abatement Strip can be used throughout any operation (including milking parlors) where flies are a problem. The active ingredient is contained in a sugar-based matrix that flies find irresistible. Flies will land on the station and begin exploring the surface. Once the flies locate the sugar, they will begin feeding. Shortly after feeding, the flies will begin to die. Active Ingredient: Nithiazine -- 1% Kills flies in a 300 sq.ft. area and lasts up to 8 weeks QuikStrike should be protected from moisture and direct sunlight, when possible. QuikStrike can be attached to dumpsters, refuse bins, garbage chutes, poles, feed bunks, walls, fences, and other surfaces out of the reach of children and animals.