Replacement vacuum plate and flat adapter elbow for skimmer tools to improve pool cleaning performance. This set is designed to enhance your pool maintenance routine when used with compatible skimmers. Key features: - Function: Replaces worn vacuum plate and provides a flat adapter elbow to optimize suction for skimmer tools. - Compatibility: Works with multiple skimmer models, including 8939, 8939G, 8939A, 8939AG, 8940, 8940G, 89401, and with many other skimmers. - Size and fit: Flexible connection supports vacuum hoses with a diameter of 3.8 cm. - Performance: Improves cleaning efficiency by enabling a better seal and easy attachment to existing pool cleaning equipment. Use scenarios: - Routine maintenance with standard skimmer setups to boost suction and debris pickup. - Upgrading older skimmer components to restore cleaning efficacy without full system replacement. - Seasonal or heavy debris periods when paired with compatible pool cleaners for improved debris collection.