General Description The pump hose adapter is designed to facilitate the connection of swimming pool hoses. It is compatible with 38 mm and 32 mm hoses with a 2-inch external thread, ideal for standard filtration systems. Technical Specifications Material: High-quality plastic Dimensions: Adapters compatible with 1.25-inch hoses Thread: 2-inch external Compatibility and Accessories Compatible with all 4000, 2500, 2000, and 1500 gallon per hour filter pumps One Series Adapter Installation A-Hose adapters are easy to install: the small end attaches to 1.25-inch hose and the threaded end screws into 1.5-inch piston valves or the filter pump. No need to purchase additional hoses. Usage These adapters help prevent water leaks with a rubber ring that ensures a tight fit with the 1.25-inch hose.