The Rheem SP12937 is a plastic water heater drain pan with a 22-inch diameter, designed to safeguard your home from potential water damage. This pack of 20 pans is ideal for contractors or DIY projects. Constructed from durable plastic, these drain pans are lightweight yet robust, effectively containing any leaks or spills from your water heater. The 22-inch size fits most standard water heaters, providing a reliable drainage solution. Perfect for both residential and commercial applications, these drain pans are essential for maintaining a safe environment.