This flea and tick collar comes from Bayer in 2 different sizes. The first variant M is suitable for small to medium sized dogs and variant L suitable for large sized dogs. This is one of the very few flea and tick collars that actually work.
1)Quite powerful. With propoxur which kills parasites.
2)Also contains active ingredient Flumethrin which effectively keeps flea, ticks and mites away.
3)Collar stays active for at least 6 months.
4)Acts against paralysis ticks, fleas and mites.
Do not allow pets to chew on it. When worn on neck, dog wont be able to chew or lick it.
Not suitable for cats.
Ingredients: Each 10 g of collar contains Propoxur (1 g), Flumethrin (0.225 g).