Gives effective treatment against internal horse parasites within 24 hours. It contains a broad spectrum combined horse worming preparation Abamectin & Praziquantel (like EQUIMAX). The effectiveness of Promectin Plus is due to the combination of 3.7mg/g Abamectin and 46.2mg/g of Praziquantel. Abamectin eliminates all common horse worms and bots. Praziquantel is an unparalleled agent in eradicating tapeworms. Combined, they produce a deadly formula for horse parasites.