VetGuard Plus Flea & Tick Treatment for Cats,, 3 Month Supply PROVEN RESULTS: VetGuard Plus Flea and Tick Treatment has demonstrated greater than 92% control of fleas within one day of application BREAK THE FLEA LIFECYCLE: VetGuard Plus Flea and Tick Treatment prevents flea eggs from developing into biting adults for up to 4 months WATERPROOF FLEA AND TICK PREVENTION: VetGuard Plus Flea and Tick Treatment for Cats is waterproof, quick-acting, long-lasting monthly treatment STOP FLEAS AND TICKS: Control pesky pests and bites with this monthly spot on flea and tick treatment