(Sterling International) The Rescue! Big Bag Fly Trap holds up to 40,000 flies for easier management of areas with heavy fly concentrations. Designed to lure in the fly species which are most common around animals, barnyards, stables, and kennels. Easy to use. Complete with attractant, just add water and hang. No need to touch bait or flies. Completely disposable.
For best results, use bottled or soft water. Hard water or heavy chlorine could inhibit effectiveness.