Summit Mosquito Dunks 102-12 Mosquito Killer, 2pk

• Formulated to release effective levels of BTI for a period of 30 days Or More
• Active material is released at the surface as well as gradually settling to the bottom
• May be used in all types of containerized mosquito breeding areas
• Can be anchored using a string tied through the hole in the center or staked in place
• Alternate wetting and drying will not reduce their effectiveness
• The only larvicide with BTI effective beyond A mosquito generation
• Safe for use in fish Habitats and Animal watering troughs