- Improves pool cleaning efficiency by replacing your worn vacuum plate and flat elbow with this replacement set designed for pool cleaning tools, making maintenance and cleaning easier. - Wide compatibility with models 8939, 8939G, 8939A, 8939AG, 8940, and 8940G, offering seamless compatibility with a broad range of pool skimmers. - Easy connection: The vacuum elbow accommodates hoses with diameters of 2.5–35.6 cm and 2.5–30.5 cm, providing a secure, hassle-free connection to your existing pool cleaning equipment. - Use scenarios and applications: - Mid-season replacement to restore suction and cleaning performance on older pool cleaning systems. - Upgrading multiple setups within a pool that uses models from the 8939 and 8940 families, ensuring consistent compatibility across skimmer configurations. - Quick repair or routine maintenance to swap the worn vacuum plate and elbow, reducing downtime and keeping the cleaning cycle uninterrupted.