General description Hose Adapter Type B for Pumps is designed for connecting threaded pipes to clamp pipes, specifically for 1.5" and 1.25" connections. This adapter is essential when upgrading to a pump with a capacity of 1500 GPH or more, and typically, two adapters are needed for larger pumps. Made from corrosion-resistant materials, it ensures durability and safe use in swimming pool applications. Technical specifications Compatible with 1.5" and 1.25" pipes Designed for pumps with a capacity of 1000 GPH or less Required for upgrades to pumps of 1500 GPH or more