Usage Tips: Converts AdapterThe pool hose adapter is used for the salt water system of an above ground swimming pool. If you only have a 1.25" hose but want to install a 1.5" piston valve or upgrade to a more powerful filter pump, adapter A is the perfect solution. > Compatible withPair of A-series adapters, 25007. Fits all 4000, 2500, 2000 and 1500 gallon per hour filter pumps that use threaded hose fittings for Intex. Premium Material The pool parts are made of high quality plastic materials, sturdy and durable. The rubber ring is tightly connected with the 1.25 inch hose to form a sealed space to prevent water leakage. Easy to install Hose adapters A are designed to connect hoses 1.25 inch hoses with piston valves or filter pump. The small end attaches to a 1.25 inch pipe. Threaded end attaches to 1.5" piston valves or filter pumps, just screw on. No need to buy other size hoses, save extra cost. Hose ConnectionConverts threaded hoses to clamp hoses and 1.5" and 1.25" hoses for pool sets. Fits Intex chlorine generators and salt systems that use threaded hose connections .These Type A adapters work closely with other pool accessories to ensure the safe and efficient operation of your pool. Specification: Material: plastic Colour: Grey Note: For pumps with threaded connection !!! < p > Features: 1 - Converts threaded hoses to clamp hoses and 1.5" and 1.25" hoses for pool sets. 2 - Pair of Series A adapters, 25007. 3 - Fits all 4000, 2500, 2000 and 1500 gallon per hour filter pumps that use threaded hose connections. 4 - Suitable for chlorine generators and salt systems that use threaded hose connections. 5 - Replacement part that ensures the safety and proper functioning of the pool. Package Included: 2 PCS Adapters