The 8 PVC BACKWATER VLV SOC EPDM W/EXT KIT from Spears is a specialized valve designed to prevent backflow in drainage systems. This backwater valve features a socket connection for easy installation into 8" PVC pipes. Constructed from durable PVC and equipped with EPDM seals, it offers excellent resistance to water and sewage, ensuring long-lasting performance. The included extension kit allows for flexible installation options, making it suitable for various applications. This valve is ideal for residential and commercial plumbing systems, meeting all necessary industry standards for safety and reliability.