the present invention relates to a hose having a layer consisting of a fluoropolymer onto which an unsaturated monomer has been irradiation - grafted and , a polyolefin outer layer . the hose is useful for transporting petrol in a service station . in one embodiment a fluoropolymer , preferably pdvf , layer is placed beside the irradiation - grafted fluoropolymer . the hose may consist of a irradiation - grafted fluoropolymer inner layer and a polyolefin outer layer , or multilayer hose with either a central irradiation - grafted fluoropolymer layer and polyolefin inner and outer layers , or a polyolefin central layer and irradiation - grafted fluoropolymer inner and outer layers . the irradiation - grafted fluoropolymer layer may be replaced with a layer of a blend of a fluoropolymer , preferably pvdf , and of an irradiation - grafted fluoropolymer . it may also be covered with a fluoropolymer .