Use this plated, solid brass, 1/2 in. IPS, ceiling mounted shower arm, for long projection, ceiling mounted rain shower heads of all diameters. 48 in. long. Decorative, machined brass flange included. 1/2 in. x 48 in. ceiling arm and D3800 Heavy Duty Flange. Lead Free Brass Nipple. Ceiling mounted shower arm with flange 1/2 in. IPS x 48 Designed by Westbrass, the Westbrass 1/2 in. IPS x 48 in. Ceiling Mounted Shower Arm with Flange in Polished Nickel is built for lasting quality and everyday use. Shop at OJCommerce and explore our collection with free shipping on every order.