Cutter 16 oz. Bug Free Backyard Outdoor Fogger. It repels and kills mosquitoes, flies, gnats, ants, and other annoying insects on contact, providing a bug-free yard for up to 4 weeks. Use it outside in backyard, deck, and patio areas for immediate extermination. The water-based formula continues working even after it rains. Goodbye mosquitoes. Hello, summer!