The Cooper 0.182″ 3/16″ Cross Section O-Ring A80-360 is a high-quality pool equipment part manufactured by Horizon Spa & Pool Parts. This O-ring is designed to ensure a watertight seal in pool equipment, providing longevity and reliability. With dimensions of 8.45 inches in length, 5.95 inches in depth, and 0.65 inches in height, this O-ring is lightweight at 0.96 ounces, making it easy to install and maintain in your pool or spa system.