The Rheem Aluminum Water Heater Drain Pan, with a diameter of 20 inches, is engineered to protect your home from water damage by effectively containing leaks from your water heater. Constructed from high-quality aluminum, this pan is resistant to rust and corrosion, ensuring durability and longevity. It complies with industry standards, making it a reliable choice for various water heater models. The lightweight design facilitates easy installation and maintenance, providing a practical solution for safeguarding your property against potential water issues.