The MineralStream Shower Arm for Wall Showers is a rust-resistant stainless steel shower arm that extends your shower head from the wall for a better height and spray angle. Built from durable 201 stainless steel with a corrosion-resistant finish, it installs fast and secure with a universal 1/2-inch connection. Rust-resistant 201 stainless steel — durable, long-lasting performance in wet bathroom environments. Universal 1/2-inch connection — fits most shower heads, filters, and diverters. Better angle & height — extends the shower head outward and downward from the wall. Fast, tool-free install — hand-tightens onto the wall outlet with plumber's tape.