Usage Tips: Premium Material: Made of high quality, thick and sturdy plastic material, our replacement hose adapters can endure extreme usage. Applicable Size: Our A-type hose adapter can connect threads with a 2 3/8 inch outside diameter, and can be suitable for 1 1/4 or 1 1/2 inch hose. Our stainless steel clips can be shrunk in 27-51mm diameter, and the inner diameter of the rubber washer is 40mm/1.57inch. Wide Application: Our pool hose connector set perfectly fits all 4000, 2500, 2000 and 1500 gallon per hour filter pumps that use threaded hose connections. They can be connected to different size hoses or other connections to solve the difficulties of incompatibility between above-ground pools and filter pumps. Easy Installation: Our pool pump fittings are easy to install. Choose the right installation depending on the size of your pool equipment and hose. So, connect easily and enjoy a smooth swim. Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Colour:Photo Color Material:Plastic Package Contents: 4x A-type hose adapters 4x stainless steel clamps 4x rubber washers Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.