[Beautiful and Effective] Features a special process technology with a widened sealing surface at the water outlet to ensure close contact with the sprinkler's sealing gasket. Up to 95 percent of shower heads achieve a reliable water seal without the need for Teflon tape, helping maintain the clean appearance of your bathroom. [Durable and Safe] Constructed from marine-grade 304 stainless steel, offering more than twice the strength of standard brass. Resistant to acid, alkali, and salt, providing long-term corrosion resistance to help prevent clogging from rust buildup. Ideal for use with hard water and hot spring water. [Bake Paint Finish] Utilizes electrostatic adsorption and micron-level paint deposition for a smooth, durable finish similar to automotive paint. [Installation and Specifications] Includes detailed instructions for easy installation. The product is 3 inches in length, with an inlet thread size of 1/2 inch or 5/8 inch.