The 4" Heavy-Duty Square Shower Drain with Trap Primer from Braxton Harris is crafted from PVD stainless steel, ensuring long-lasting durability and resistance to rust and corrosion. This drain features a sleek square design that complements modern bathroom aesthetics while effectively managing water flow. The integrated trap primer helps maintain water levels in the trap, preventing sewer gas from entering your home. With a standard 4" size, it fits most shower installations and complies with industry standards for drainage systems. This product is perfect for both residential and commercial applications, providing reliable performance and style.