Features: 1.Safe and Sturdy: You will receive replacement hose adapter. Made of high quality plastic material, sturdy and durable. The rubber washer fits tightly with the 1.25"(31mm) hose, creating a sealed space to prevent water leaking. 2.Multifunction: Our replacement hose adapters are for Intex chlorine generators and salt systems with threaded hose connections. If you only have 1.25" (31mm)hose, but you want to install a 1.5"(38mm) plunger for valve or upgrade to a for stronger filter pump, Adapter A will be the perfect solution. 3.Install Quickly: You just connect the small end of the adapter to a 1.25"(31mm)hose. The threaded end connects to a 1.5"(38mm) plunger for valve or filter pump, then screw on. 4.Suitable for: Our hose adapters with collar are compatible for all 4000, 2500, 2000 and 1500 GPH filter pumps which use threaded connection hose with the size of 1.25"(31mm). Please check if the size of our products can match with your filter pumps before buying. 5.Save Your Time: Our pool hose adapter with collar and rubber washer is suitable for the swimming hose that don'for t include hose adapter accessories. Standard size can achieve more valuable applications. Specifications: Material: Plastic Size: Approx. 11x7 for cm/4.33x2.76 in Package Includes: 2x Replacement Hose Adapter 2x Round Rubber Washer 2x Round Metal Ring note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.