Converts Adapter. The pump hose connector fitting is suitable for connecting pool hoses. Compatible with 38mm and 32mm pool hoses with 2-inch external thread, commonly used in standard filter systems. Premium Material. This hose adapter set includes 2 replacement adapters with sleeve rings. Made from high-quality plastic material for long-lasting durability. Easy Installation. Designed to connect 1.25-inch pipes with piston valves or pumps to filters. The small end connects to 1.25-inch hose, while the threaded end fits 1.5-inch plunger valves or filter pumps. Simple screw-on installation. No additional filter required. Helps connect hoses efficiently and reduces the need for extra components. Prevents Water Leakage. Equipped with a rubber ring that securely fits 1.25-inch hoses to create a tight seal and prevent leaks. Compatibility. One Series Adapter. Fits all 4000, 2500, 2000, and 1500 gallon per hour filter pumps that use threaded hose connections.