Rescue!® BFTD-DB12 Disposable Big Bag Fly Trap, Up To 40000 FliesThis trap is baited for fly species which are most common in agricultural areas including house flies, false stable flies, blow flies, blue and green bottle flies, flesh flies, face flies and many others. The Big Bag Fly Trap contains a fast acting fly attractant that starts working as soon as you add water. Food and feed additives are combined with other dried ingredients to make the Rescue attractant. Lured by the scent, flies enter through the