1、Premium Material: Made of premium plastic, the replacement hose adapter is sturdy and durable, has a long service life, leakproof and wear resistant. 2、Easy Installation: The plastic replacement hose adapter is easy to install, users can replace the old or damaged parts with it, time saving and efficient. 3、5in and 25in Hoses: The small end of hose adapter is suitable for connecting 25in hoses with plunger valves or filter pump. The threaded end of it attaches to 5in plunger valves or filter pump, simply screw it on. 4、Compatible: The pool accessories are suitable for 4000, 2500, 2000 and 1500 gallon per hour filter pumps that use threaded hose connections. 5、Ensure Safe Work: The hose adapter is perfect for chlorine generators and salt systems that use threaded hose connections, keep your swimming pool running safely and efficiently. 2 x Hose Adapter2 x Collar  Item Type: Replacement Hose AdapterMaterial: PlasticWeight: Approx. 110g/ 3.88ozColor: As Shown Suitable: For 1.5in, 1.25 in Hoses Pool Set; for 25007 a series adapter pair, for 4000, 2500, 2000 and 1500 Gallon Per Hour Filter Pumps That Use Threaded Hose Connections; for Chlorine Generators and Salt Systems That Use Threaded Hose Connections