Available in packs of 5, 10, and 50! View our store for more options. Keeps rain on extension cords from causing shorts and tripping GFCI outlets. Great for Christmas lights, outdoor pumps, generators, landscape lighting, pond pumps, water fountains, air compressors, electric fences, pool pumps, pool heaters, and more. Good for up to 500° F and down to -40° F. Durable STOP TRIPPING GFCI OUTLETS!! Weatherproof your outdoor cords with these super soft, weather protection gaskets. Just place it between the male and female connection and the soft material is easily compressed and locks out the elements. It works in all climates and all seasons. Great for weatherproofing Christmas lights and other outdoor tools and appliances.