Keep your outdoor living space free from pesky mosquitoes with Summit Mosquito Dunks. This 20 pack of organic, biological mosquito control is perfect for anyone looking for a safe and effective solution. Simply drop a dunk into standing water and let it work its magic. Designed to target and kill mosquito larvae before they become biting adults, these dunks are a must-have for any yard, garden, or outdoor living area. With Summit's trusted brand and powerful pest-fighting formula, you can enjoy the outdoors without worrying about pesky insects.