RESCUE! POP! Fly Trap Bait Refill – Outdoor Use – 4 PackBrand: RESCUE! Color: Green Features: For POP! Fly Traps This refill is perfectly proportioned to work in the RESCUE! POP! Fly Trap to lure common flies. Each refill packet contains one application that generally lasts two weeks to a month. Easy to Use Just drop the water soluble pouch into the trap container, add water to the fill line, replace the top, and hang or place the trap outside near a fly source. Attracts Flies This attractant bait lures