Activyl Sort By Default Title - A to Z Title - Z to A Price - lowest first Price - highest first Time Added - latest first Popularity - most popular first Sales - best selling first $36.95 $36.95 View... Activyl Tick Plus Spot-On for Medium Dogs 22-44 lbs (10-20 kg) - 4 Pipettes $32.95 $32.95 View... Activyl Tick Plus Spot-On for Small Dogs 11-22 lbs (5-10 kg) - 4 Pipettes $33.95 $33.95 View... Activyl Spot-On for Very Small Dogs 4-14 lbs (1.5-6.5 kg) - 4 Pipettes $39.95 $39.95 View... Activyl Spot-On for Medium Dogs 4-14 lbs (10-20 kg) - 4 Pipettes $37.56 $37.56 View... Activyl Spot-On for Small Dogs 14-22 lbs (6.6-10 kg) - 4 Pipettes $32.95 $32.95 View... Activyl Spot-On for Cats Over 9 lbs (4 kg) - 4 Pipettes $29.84 $29.84 View... Activyl Spot-On for Cats And Kittens 2-9 lbs (1-4 kg) - 4 Pipettes