4 Inch Waste Coupling is installed in the sinks and washbasins for controlling and filtering the solid waste. Apart from this, our offered coupling is also used in washbasin to train water. This coupling is available in various sizes, grades other specifications and fulfills the specific demands in the most efficient manner. These waste coupling is manufactured by using sophisticated technologies under the guidance of our expert keeping in mind the set quality norms. Further, our offered 4 Inch Waste Coupling is known for their unique features like robust built, précised dimension, long working life, rust proof, resistant to wear and strong structure.