Material stainless steel, 304 stainless steel. Suitable pipe diameter: 28mm / 1.1inch. Convenient installation: the radiator tap cover can be directly installed on the tap hole of the installed pipe, without removing the pipe. This split protective cover provides great comfort. Packing: 2PCS water pipes to cover. Wide range of applications: different sizes of rose blankets can be widely used in air pot extractors, gas boiler extractors, vents, sewage pipe holes, air conditioning holes, faucet valves, washing machines, bathrooms, toilets, dishwashers and urination Pool flush valve, etc. Quantity delivered: 2 pieces