Kills Mosquitoes before they're old enough to Bite!® The Mosquito Dunks® are America's excellent selling home owner mosquito control product. The only product with BTI, a bacteria toxic only to mosquito larvae, that lasts 30 days and treats 100 sq-ft of surface water.

• Non-toxic to all other wildlife, pets, fish and humans
• Simply apply Mosquito Dunks to any standing water or water garden
• Kills within hours lasts for 30 days or more
• Highly effective low-impact product