Comfortis: A Dog's Best Friend! A Flea's Worst Enemy!

Comfortis is a tablet which is given to dogs once a month to kill fleas  

The benefits of Comfortis are:   
  #It is 100% effective within 4 hours   
  #It starts killing fleas within 30 minutes   
  #It lasts for the full month   
  #Fleas are killed before they lay eggs   
  #Efficacy is not affected by bathing or swimming   
  #The convenience of a chewable, beef flavoured tablet