【Applicable sizes】The sprinkler connector is suitable for pipes with an inner diameter of 15.5 mm. Premium material: The sprinkler connector set is made of high-quality plastic, sturdy and not easy to break, so you can reuse it many times. 【Easy to install】The hose connector is easy to use and can be connected without any tools. Just make a very tight fit between the pipe and the fitting. Contents: 20 pieces of pipe fittings, enough quantity to meet your long-term use and replacement needs. Wide application: The hose connector set is suitable for garden irrigation, landscape irrigation, greenhouse irrigation, agricultural irrigation and other irrigation purposes.