Delta 4301BG Accessory Chrome Shower Arm Mount. Delta's Line of Commercial Products are an industry leader in the Bathroom Faucets, Shower Fixtures and Bathroom Accessories. The large line of Commercial Grade products are designed to withstand the every day wear and tear, and last for years to come. These products are ideal for hospitals, schools, and other high traffic applications. This Delta 4301BG Accessory Chrome Shower Arm Mount combined with a hand shower (sold separately), is a quick and easy way to update your shower. This Swivel Connector comes in a stunning White finish.