Best Value
PetArmor
PetArmor Plus Flea and Tick Prevention, Waterproof Topical, Fast Acting Treatment, Medium Dogs (23-44 lbs), 1 Dose
K9 advantix
K9 Advantix II Flea and Tick Prevention for Extra-Large Dogs 4-Pack, Over 55 Pounds
Frontline
43% off
FRONTLINE Plus Flea and Tick Treatment for Cats Over 1.5 lbs., 3 Treatments
Advantage
Advantage II Flea Prevention and Treatment for Small Cats (5-9 Pounds), 6 Pack