This Patio Egg is an easy, safe and effective way to help deter mosquitoes and other biting insects from your patio and other outdoor living areas. A fuss free way to keep mosquitoes away. The Skeeter Screen Patio Egg deters biting insects yet kills no insect good or bad. Your wondrous patio egg has become a truly effective and continuous source of mosquito protection 24/7 for many months.