Summit...responsible solutions 110-12 Mosquito Dunks, 6 Piece

Features:

• Kills mosquitoes before they're old enough to bite
• The only product with bti, bacteria toxic only to mosquito larvae
• Lasts for 30 days and treats 100 square feet of surface water
• Non-toxic to all other wildlife , pets, fish, and humans
• Labeled for organic gardening by the usepa