Virbac Duo Spot On Flea & Tick Treatment for Large Dog 40kg+ Fast Acting 4 Pip
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. EFFIPRO DUO IS THE ONLY PPF AND FIPRONIL COMBINATION.