Charlotte Pipe 3 In. x 4 In. Closet Flange is suitable for SCH 40 DWV Pipe and offers a maximum pressure of 5500 psi. Made of durable PVC, it provides a reliable and long-lasting solution for your plumbing needs. The flange seamlessly solvent welds over 3 In. Schedule 40 pipe, ensuring a secure and leak-proof connection.