The 3" x 4" PVC Dual Fit Test Cap by Braxton Harris Co Inc is a versatile solution for sealing test ports in plumbing systems. Made from high-quality PVC, this cap is designed to withstand various environmental conditions while providing a secure fit. The dual fit design accommodates both 3-inch and 4-inch pipes, making it adaptable for different applications. Ideal for use in drainage and waste systems, this test cap allows for easy access during maintenance and inspection. Its lightweight construction ensures easy handling, while the durable material guarantees long-lasting performance.