Replace Part No.: 6472-966 and formerly 6455-469 Sundance Spas Pillow, Ball & Socket Type. Wide Application: These Sundance Spas pillows are fully compatible with most 780 Series hot tubs made between 2007–2017. Fits 2007+ Camden, Certa, Chelsee, HAMILTON and 2008+ Dover. Product Dimension: 11 Inches Wide x 5 1/2 Inches Tall. This headrest has a center pin, Pillow attaches to shell with Ball/Socket attachment. Superior Material: Made from high-quality polyurethane material, this product offers both soft comfort and durability, making it an excellent choice for you. Revitalize Your Spa: .