Item Type: Wall fitting connector_x005f_x000D_Weight: 45g/1. 59oz_x005f_x000D_Material: Plastic_x005f_x000D_Product size: 12cm/4. 72in_x005f_x000D_Pipe Diameter: 18mm/0. 71in_x005f_x000D_Purpose: Swimming pool cleaner 1Reliable Material: This product is made of plastic, which is durable and waterproof; It has a long service life and users can use it for a long time without worrying about damage. 2Product Function: Using a swimming pool connector can maintain the operation of the cleaner and ensure that the water pressure of the swimming pool cleaner works properly. 3Convenient Installation: This product is equipped with sealing rubber rings for easy installation by users; Users can also search online for relevant installation videos as a reference. 4Convenient to Carry: This product is small in size and light in weight, making it convenient for users to carry it anywhere they need it. 5Widely Application: This quick disconnect replacement part is compatible for Polaris 180 280 380 3900; It can maintain the normal operation of cleaning work such as the swimming pool.