The 4" Push-on Cast Iron Drain with a 3-1/2" Metal Spud from Braxton Harris is engineered for reliable drainage in plumbing systems. This robust drain features a push-on design for easy installation, while the cast iron construction ensures durability and resistance to wear. The 3-1/2" metal spud allows for seamless connections to plumbing fixtures, making it suitable for both residential and commercial applications. This product adheres to industry standards, providing peace of mind for contractors and builders.