Made of premium plastic material, durable and impact-resistant.Simple design ,Integral solute, sealed leakproof ,Thickening material, strengthen the hardnessA great aftermarket replacement for your old or broken one.Suitable for connecting any 42 to 42 ducting.For extending 42 internal diameter ducting.Specification:Product Name: Duct Joiner ConnectorLength: 50mmDiameter: 42mmFunction: Connect 2 tubes togetherColour: BlackMaterial: PlasticPackage Contents:4 x Duct Joiner ConnectorOnly the above package content, other products are not included.Note: Light 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. Our products are made with the highest quality materials and are designed to provide you with the best possible user experience. We strive to ship out all orders within three days of purchase, and the estimated delivery time is 8-15 days. When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specifications. We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don't hesitate to contact us. We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it!