The 4" PVC Inside PF Base with 3 Speed and 5 NB Strainer & Riser from Jones Stephens Corp is designed for optimal plumbing performance. This durable PVC base features a 4-inch diameter, making it suitable for a variety of plumbing systems. The 3-speed functionality allows for customizable flow control, while the 5 NB strainer and riser enhance drainage efficiency. Built to meet industry standards, this product ensures reliability and safety in installation. Ideal for both residential and commercial applications, it provides a dependable solution for your plumbing needs.