Bayer Seresto Flea and Tick Treatment Collar for Cats
The Seresto flea collar for cats can protect your feline for up to 8 months with the slow release of imadacloprid and flumethrin. Their design avoids the organophosphate insecticides known to be harmful to felines and includes a break-away mechanism. (If stressed, the clips will loosen so the feline can free itself from harm). Although this collar exposes your feline to chemicals the most health conscious consumers would avoid, it receives my vote for the best because it has proven to be an effective method for repelling fleas, avoids the most dangerous chemicals, and is widely available for a reasonable price.