Protect your property from water damage with this ultra-sturdy Everflow water heater pan. When installed underneath your gas or electric water heater base, this 2.5 inch deep drain pan will contain any minor discharge or dripping and thereby protect your floor from staining, bulging and swelling. And when something severe happens, (and they do!), like a major water leak or tank rupture, the drain pan will effectively collect the flow of water and drain It through the integrated drain pipe. Everflow water heater pan has been proven to save thousands of dollars by preventing floods, mold growth, drywall and subfloor damage. It is an economical and effective property insurance! ? California Proposition 65 Warning: This product is known to the state of California to cause cancer, or other reproductive harm.