EFFIPRO DUO contains a combination of PPF (pyriproxyfen) and fipronil, which eliminates fleas and ticks and prevents flea eggs from developing into adult fleas for 3 months. High flea infestation rates are common: Infestation rates of more than 70% have been reported in dogs and cats during the flea season Flea infestations in cats continue to be a threat year-round Re-infestation is common, particularly in cats.
eBay