TPO-Clad or PVC-Clad seamless drain basin with insert outlet. Designed for fast and watertight installations. TPO-clad metal allows easy installation by heat welding. No glue or silicon is needed. Available for 2", 3", and 4" existing pipe sizes. Includes Heavy Duty ABS Dome Strainer, Stainless Steel Clamping Ring, and two O-Rings to prevent back-flow.