- Improves cleaning efficiency: Replaces the vacuum head plate and flat adapter angle, designed for tools, to enhance dirt removal and keep your pool clean with less effort. - Wide compatibility: Designed to work with models 8939, 8939G, 8939A, 8939AG, 8940, 8940G, and 89401; compatible with a wide range of pool skimmers and various pool setups. - Simple and practical: The vacuum bend is designed to accept suction hoses with diameters 2.5-35.6 cm and 2.5-30.5 cm, enabling easy and secure connection to your existing pool cleaning devices. No hassle or complicated setup required. Use scenarios: - Upgrade a compatible model to boost dirt pickup around walls and floors during routine maintenance. - Use in pools with varying skimmer configurations to maintain cleaning performance without changing hardware. - Connect hoses of different sizes quickly for flexible, secure setup and quick transitions between cleaning tasks.