This upper spray arm is a high-quality replacement part for Whirlpool dishwashers. It is compatible with multiple models including WDF110PABB5, WDF320PABB5, WDF520PABM6, and more. The set includes one upper spray arm and it is suitable for use with dishwashers. It is made by Whirlpool, a trusted brand in the industry, and is designed to provide excellent performance and durability. This part is perfect for those looking to replace a faulty or worn out upper spray arm on their dishwasher. With its easy installation process, this arm is a great choice for anyone who wants to get their dishwasher back up and running smoothly.