BioAdvanced Mosquito Killer Fizz Tabs-0.285 oz

The ONLY larvicide that kills all 4 larval stages of Mosquitos. Prevents mosquitos that may transmit West Nile, Zika and Dengue viruses and heartworms to dogs and cats. Patented bi-layer tablet. Fizzing action means it's working. Slow-release layer dissolves over time to give 60-day control. Covers the top and bottom of water - to KILL no matter where Mosquito larvae are hiding. Kills through contact