Matte Black Square Shower Arm with Flange, Ceiling Mount Straight Shower Head Extension Arm, Stainless Steel, 4 Inch

4 inch straight ceiling mounted shower arm, Square shaped | Thicker sus304 stainless steel material to ensure durability and enhance the longevity, each shower arm has passed 1 MPa high water pressure test to ensure no sand-holes or leakage | Matte black shower arm, plated, not painting, corrosion and tarnishing resistant | Standard male NPT 1/2 inch to male G 1/2 inch connectors extension shower arm for rainfall shower heads, fit for most female ball joint shower heads | 4" shower arm and flange (Matte Black Color), 2 rubber washers included for quick installation and leak-free.