These are HDPE pipe compression fittings designed for watertight connections in piping and irrigation systems.Function: They are used to join HDPE pipes mechanically without requiring special tools or welding.Structure: The fittings consist of a body, a tightening nut, and internal components like a clamping ring that create a seal when tightened.Material: Made from high-quality Polypropylene (PP) material that is resistant to corrosion, chemicals, and UV rays.Sizes: Common sizes for these fittings range from 16mm to 110mm in diameter.