Feature: 1. Reliable Material: The swimming pool components are made from wear-resistant plastic materials, which makes them sturdy and durable; It can be used for a long time, and users don't have to worry about quality issues. 2. Product Function: Hose adapters are ideal for chlorine generators and salt systems with threaded hose connections, allowing your pool to operate safely and efficiently. 3. Convenient Use: Users can just connect it with 2 different size piston valves or filter pump, then just screw it on and no need to buy different size pipes anymore. 4. Easy to carry: This product is small in size and light in weight, which makes it easy for users to carry anywhere it is needed; It improves the efficiency of people's daily cleaning work. 5. Compatible with: This connector is compatible with a pair of serial adapters; It is suitable for all 4000, 2500, 2000 and 1500 gallon per hour filter pumps using threaded hose connections Specification: Item Type: Hose Piston Weight: 53g / 1.87oz Material: plastic Package List: 1 x Pipe Fitting 2 x Washers 1 x Plastic Nut