The 3"x4" Heavy-Duty Round Shower Drain with Trap Primer in Oil Rubbed Bronze by Braxton Harris is designed for optimal drainage performance. This drain features a robust construction that ensures durability and longevity, making it suitable for high-traffic bathrooms. The included trap primer helps maintain water levels in the trap, preventing sewer gas from entering your home. Its elegant oil rubbed bronze finish adds a stylish touch to any shower design. This product complies with industry standards, ensuring reliable performance in residential and commercial applications.