The 4" Commercial Drain Base with an 8.5" Pan for 3-1/2" Spud from Braxton Harris is designed for efficient drainage in commercial applications. This drain base features a robust construction that ensures durability and long-lasting performance. The 8.5" pan provides ample capacity for effective water collection, while the 4" diameter allows for compatibility with standard plumbing systems. Ideal for use in kitchens, bathrooms, and other commercial settings, this drain base meets industry standards for quality and reliability, ensuring optimal drainage performance.