WAYNE CDU800 1/2 HP Submersible Cast Iron and Steel Sump Pump With Integrated Vertical Float Switch N/A Made in USA or Imported 1/2 HP submersible sump pump made of durable cast iron Designed for use in sump pits of at least 11 inches Ceramic mechanical seal for work in demanding environments 1-1/2-inch discharges for maximum flow 3-year limited warranty