Fleascreen Combo Spot-on Flea and Tick Solution for Dogs. Kills fleas on treated dogs and prevents eggs developing for up to 8 weeks. Kills ticks on treated dogs for up to 4 weeks and treats infestations of biting lice.
FIPROtec Spot-on Flea and Tick Treatment Solution for Dogs. Monthly spot-on for the treatment and prevention of fleas and ticks. Kills fleas within 24 hours and starts killing ticks within 48 hours.