Seamless drain basin made of TPO Clad Stainless Steel. Overflow connection with 2" rise. Heat weld directly to the seamless flashing for fast and easy installation. All seams are soldered to ensure waterproofing. * Seamless Basin * TPO Clad Stainless Steel Drain * 2", 3", or 4" bronze fitting. * Heavy duty ABS Cyclolac dome strainer * 10" diameter basin * Heat weld directly to the TPO clad drain flashing * Manufactured in the USA by Thunderbird Products * This item is also available without optional overflow * This item is also available in Copper, Stainless Steel, and PVC Clad Note on Fittings: Two types of fittings are available. A threaded adapter fitting is used primarily with 2" PVC pipe applications. The threads on the bronze fittings are male and can be attached to a threaded female PVC adapter. A no hub fitting is the standard fitting used in the industry. With this fitting a rubber coupling is used to connect the drain to the drainage pipe.