Replace worn, cracked or faded spa headrests with this 2-pack of Spa Tender TS019-style replacement pillows. Designed for compatibility with Master Spas applications using X540765 / X540765-1 style headrests, including applicable Clarity and Genesys configurations. Each pillow uses an adjustable two-pin mounting design with approximately 4.5-inch pin spacing. Graphite black finish. Compare the shape, dimensions and mounting-pin spacing with your existing pillow before ordering. Replacement part; not an OEM Master Spas product.