Effipro Duo Spot On for Cats 4 Pack Sale! from £17.99 Qty. Add to Cart This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. Effipro Duo Spot On for Cats contains Fipronil and Pyriproxyfen and is used against infestations with fleas alone or in association with ticks. Contraindications: Do not use in rabbits, as adverse reactions and even death could occur. Do not use in case of hypersensitivity to the active substances or to any of the excipients. For more information, please use the following link: https://www.noahcompendium.co.uk/?id=-461129 Pack of 4 pipettes. SKU: VIEFF45 Tweet