Sergeants Dual Action Flea & Tick Collar for Dogs is long lasting. This dual action collar kills fleas and ticks up to 6 months. The active igredient is 4% Deltamethrin proven to help kill fleas and toc on dogs.
- Kills fleas and ticks for 6 months
- Flea and tick collar fits neck to 20.5 inches
- Long-lasting protection and is water resistant