Brizo RP71649PN Vesi Channel Shower Arm and Flange. These Premium Vesi Channel Bronze Shower Arm and Flange. Created to add to your bathroom, and give it an overall sophisticated look and feel. The Arm is an extension piece designed to move the shower head away from the wall, and give a better coverage in the shower or tub. The Flange is used to cover the hole where the arm comes through, so your bathroom has a matching trim and unity with no un-finished touches.