BASF Clear Zone Double Impact Farm Fly Spray 14 oz.BASF Clear Zone Double Impact Farm Fly Spray (14 oz) provides fast knockdown and hours of residual flying insect control using two active ingredients plus a synergist. Designed for heavy traffic areas and can be used inside and outside, and on livestock listed on the label. Vacate treated areas during application and ventilate well after; cover remove food in food handling areas as directed. Key Bullet Points: Farm fly spray 14 oz for fast knockdown