About this item For Big Fly Problems — Catch and kill up to 40,000 flies with the Big Bag Fly Trap. Perfect for outdoor areas, barns, stables, and yards where you need serious fly control. Fast Acting — This trap uses an attractant bait that flies can’t resist. Lured by the scent, flies enter the trap through the cap and drown in the water. Easy to Use — Follow the easy directions on the bag to expose the trap entrance. Add water to activate bait and hang the trap outside, at least 20 feet away from any living spaces. Outdoor Use Only – Once activated, these traps have a strong odor. Only use this trap outdoors, and at least 20 feet away from any living areas. Made in the USA – At RESCUE!, our goal is to design and manufacture the safest and most effective pest control solutions available. We proudly manufacture our products in the USA! › See more product details