Skeeter Screen 4 oz. patio egg diffuser. Easy, safe & effective way to help deter mosquitoes & other biting insects from your outdoor living areas, deet free scent of nature formula is derived from essential oils, pour the oil into the egg diffuser & the fragrance will migrate up the sides & hatch within 24 hours allowing you to enjoy the outdoors continuously... 24 hours a day, 7 days a week. Comes with a fiber netting for hanging, measuring cup & 4 oz. of skeeter screen oil.