MISS MUFFET’S REVENGE– Long-Term Perimeter & Indoor Spider Killer. OUTDOOR APPLICATION: Apply a 12″ band to the exterior of your home. Spray until slightly wet. For best results, apply on a day with no wind and no rain in the forecast. The next day brush down the cobwebs. INDOOR APPLICATION: Apply a 4″ band along the interior of your home in areas where spiders are recurring problem. The next day brush down cobwebs.