Eliminate Flies — This reusable fly trap catches and kills hundreds of common fly species, including house flies, stable flies, bottle flies, flesh flies, horse flies, and many more. Fast Results — Instead of chemicals or sprays, this trap lures flies with food-based attractant. Once inside, flies drown in the water added to the trap. Reusable — Reduce plastic waste by reusing this trap season after season! Simply dump the contents when full, rinse, and replace the used attractant with a refill packet to reuse this trap again and again. 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!