threaded connection These hose adapters feature a 2.25 inch innerdiameter threaded collar designed for secure NPT hose connections to clamptype hoses. The included Orings ensure sealing for leak operation in pressure applications, delivering durable connections that won't loosen over time. Versatile compatibility The threaded hose adapter kit works with both 1.5 and 1.25 inch hoses, making it suitable for a variety of pool and spa equipment. It connects external threaded fittings to clampstyle hoses on filter pumps, generators, and salt systems with universal adaptability. Heavyduty performance Engineered to withstand flow rates up to 4000 GPH, these adapters provide reliable connections for volume applications. The reinforced design helps prevent leaks and maintains integrity under continuous use, suitable for both residential and commercial pool systems. Complete installation kit Includes everything needed for professional installation: 2 adapters, 2 converters, 2 nuts, 2 clamps, 4 washers, a screwdriver, and sealing tape. All components feature standardized sizing for quick toolassembly and compatibility with most systems. Use scenarios Replacing a failing clampstyle connection on a pool filter pump that uses clamp hoses, while maintaining a secure NPTtoclamp hose transition. Connecting a salt system to external threaded fittings with clampstyle hoses in a pool or spa setup. Installing in a flow pool or spa system (up to 4000 GPH) where a durable, leak connection is required for continuous operation.