This fits your .

Brass Drain and Overflow Kit - For evaporative cooler. Includes overflow pipe with flat-sided hex head for easy install and removal. - Pieces In Set: 3 pc, Overflow Pipe Size: 1/2" MPT, Pkg Qty: 1, Package Type: Clamshell Warning: 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. -

Brass Drn/Ovrflw Pipe Kt - B0044FUP0C