The 2" No Caulk Cast Iron Slab Drain with 3-1/2" Metal Spud and 4" Brass Strainer from Braxton Harris Co Inc is designed for optimal drainage performance in slab installations. Featuring a no-calk design, this drain ensures easy installation and a secure, watertight fit. Constructed from durable cast iron, it provides long-lasting reliability and resistance to wear. The brass strainer adds a touch of elegance while effectively preventing debris from clogging the drain. This product meets industry standards for safety and performance, making it suitable for various applications.