Cost comparison of Brands for Controlling Fleas and Ticks

  Brand
Active Ingredients Bio Spot Spectra Sure Frontline
Fipronil   9.8% 9.8%
(S)-Methoprene 3% 8.8% 8.8%
Permethrin 45%    
Cost for large dog $10.95 $36.74 $49.50

Price as of 4/10/12. (Prices subject to change)