Universal Compatibility: the hose connectors are suitable for 1-1/2 and 1-1/4 vacuum hoses, filter pump connection hoses and larger pumps, making it applicable for smaller in ground pools as well; The hose B adapter is designed for 1-1/2" hosing, making it versatile and functional for your pool needsVersatile Hose Adapter: this hose connector coupling kit includes 3 pieces of 1-1/4" or 1-1/2" hose connector coupling that are suitable for connecting 2 hoses of the same size or different sizes; You can use them to connect either 2 pieces of 1-1/4" hoses, 2 pieces of 1-1/2" hoses or a mix of 1-1/4" and 1-1/2" hoses togetherPackage Contents: this kit provides a complete set for your pool hose connection needs; It includes pieces of 11238 hose B adaptors and 3 pieces of hose connectors, ensuring that you have enough components for your pool setupDurable Material: our hose connector coupling kit is made of quality plastic material that assures durability and longevity; The material is tough, corrosion resistant and not easy to deform or break even in a swimming pool water environmentWidely Application: with these hose adapters, you can connect pool vacuum cleaners, filter pump hoses for in ground or above ground pools and spas; Compatible with above ground pools and skimmer 1-1/2" hose, this kit provides the ideal solution for your hose connection needs