Plastic connection angle Material cover: plastic Non-return valve Connection type: G ½ For shower hoses with conical or cylindrical nut on both sides, Weight: 0.220462262 Pounds, Manufacturer: Hansgrohe. This contemporary style wall outlet in a polished chrome finish requires a minimum of 1.0 Bar - High Pressure. It is designed for shower hose wall outlets and comes with a 5-year manufacturer's guarantee against manufacturing defects. Please note that the non-return valve is not included with the wall outlet. Hansgrohe is known for its commitment to quality and innovation, offering a 5-year warranty on its products against manufacturing defects.