Effipro Duo Medium Dog 10-20kg 4 Pack Sale! from £23.99 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 for Dogs 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 cases of known hypersensitivity to the active substances or to any of the excipients.Pack of 4 pipettes. For more information, please use the following link: https://www.noahcompendium.co.uk/?id=-461143 SKU: VIEFF47 Tweet