The 4" Schedule 40 PVC Backwater Valve is engineered to prevent backflow in drainage systems, ensuring optimal performance in residential and commercial plumbing. Constructed from high-quality PVC, this valve is lightweight yet durable, making it suitable for various applications. Its 4" diameter allows for easy installation in standard piping systems, while the reliable sealing mechanism ensures no leakage. This backwater valve meets industry standards for safety and efficiency, making it an essential component for effective wastewater management.