This Camco 22 in. ID water heater drain pan is designed to be installed underneath a water heater. It is used to protect floors in the even of a leak or drips from the runoff tube. It is made of aluminum and will not rust or crack. It can be used for gas or electric water heaters.Included PVC drain fitting will fit 1 in. or 1.5 in. drain pipesPre-cut side opening for drain fittingElectric or gas water heater use22 in. inside diameter23 in. outside diameterRecyclableManufacturer recommends drain pan to be 4 in. larger in diameter than the diameter of the water heaterWill not rust or crackHelps prevent damage from water leaksFitting included This product can expose you to chemicals including lead which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.