Zero In Fly Max The Buzz Fly Catcher 2's (STV336) Super effective attractant developed by professionals. Lasts 2-3 weeks. Attracts flies from up to 10m radius and traps them to prevent them from infesting homes. Kills most common nuisance flies. Re-usable with Zero In Fly Max Fly Bait. Flies get in and cant get out! Outdoor use - attracts flies up to 10m radius. Pack includes 2 reusable Fly Catcher bottles and super-effective fly attractant. Non-toxic food grade ingredients. Specifications