Fitment Compatible with 1/2 inch standard NPT connections, for both female and male fittings, suitable for most common shower arms in North America. Function The 90 degree shower elbow extender enables adjustable arm position without reducing water flow or pressure. After installation it can be rotated for use. Suitable for use in home, bathroom, kitchen, RV and other spaces where an adjustable shower head angle is helpful. Material and durability Constructed from heavy solid brass for reliable performance. Provides heat resistance, corrosion resistance and pressure resistance. More sturdy than typical brass and plastic adapters, offering long lasting, leak proof performance. Reliability and rust protection Two piece construction helps prevent leakage and damage. Resists rust and corrosion, ensuring minimal maintenance. Applications In a standard home bathroom to direct water where needed without changing existing fittings. In RV showers where space is limited and an adjustable angle improves comfort and accessibility. In kitchens or utility areas where directing the water flow precisely is advantageous.